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An unofficial patch for Koikatsu Sunshine with fan-made English translations and essential mods. It will allow you to load all character cards and scenes and give you countless content creation and gameplay improvements while still keeping the original, uncluttered feel of the game. All content is tested and fixed (or removed) as needed before each update, providing a stable platform for further modding. HF Patch can also repair many common issues, try it if you have issues.

Koikatsu can be split into two parts: character and scene creation tools (character maker and Studio), and an adventure game with story mode (it can use your custom characters, but not scenes). You can see preview videos of the game and some of the mods here.

HF Patch does not contain the full game, paid expansions or any other pirated content. You have to buy the game and expansions separately. You can buy the Japanese version on DMM (English/Steam release not announced yet). You can watch a guide on how to buy and install games from DMM here.

The base game (Koikatsu Sunshine), and by extension this patch are not suitable for minors. If you are under 18 years old you can not use this patch. The base game and this patch contain only characters of age 18 or higher. The creator of this patch is not responsible for creations of its users and prohibits any unlawful use of this software.

Downloads

This download contains the entire HF Patch and can be used offline. You can use qBittorrent or a similar torrent client to open the magnet link.

Full patch (Everything is included, most people should use this)

Light patch (Small size, only use if you regularly update with KKManager)

Read before installing

  • Before installing check this installation guide and FAQ.
  • If you have problems with installing the patch, check the solutions to common issues and the rest of the readme.
  • The EX expansion is entirely optional and can be skipped. It adds 4 new personalities with new type of events unique to them (old characters can't use these events). You can buy the expansion here (and here's a guide).
  • If you need any further help check the wiki first, and if that doesn't help then ask in the #help channel of the Koikatsu Discord server. The #help channel is the fastest way to get help, you can even search it for your issue to see if someone already answered it. There are also chat and card sharing channels on the server!
  • To keep the download size reasonable, some rarely used and very old content mods or studio mods might not be included. If you have trouble loading characters or scenes, you can download the missing mods by clicking on the Update button in the game's launcher.
  • You can see the source code here and information about included plugins here.

Changelog

This changelog is only for the current version of HF Patch. To see changes made in previous versions of the patch, check the releases page on GitHub.

Mods added

  • Night Darkener v1.3 (Makes H scenes at night much darker)
  • BreastPhysicsController v2.1 (Enables control of some DynamicBone parameters for breasts)

Mods updated

  • Sideloader Modpacks up to 2023/05/10
  • English Translations up to 2023/05/10
  • Configuration Manager v17.1 -> v18.0 (Can change plugin settings. Press F1 to open, not visible inside HMD)
  • IllusionLaunchers v3.3.2 -> v3.4.0.38361 (Custom game launcher)
  • KKManager v0.21.4 -> v0.22.0.1 (Manage and update mods, browse cards)
  • XUnity Auto Translator v5.1 -> v5.2.0 (Translation loader)
  • Uncensor Selector v3.11.6 -> v3.11.7 (NEEDS Koikatsu overlay mods!)
  • Pregnancy v2.7 -> v2.8.0 (Adds pregnancy to gameplay, maker and studio)
  • KKSPE v2.13.3.1 -> v2.13.4 (Advanced studio controls(Has issues))
  • Material Editor v3.1.21 -> v3.1.22 (Adds advanced material controls to maker and studio)
  • Skin Overlay Mod v6.1 -> v6.1.2 (Custom body, clothes and eye textures)
  • Additional Skin Effects v2.1.1 -> v2.1.2 (Adds new effects to main game and studio, for example bukkake)
  • Timeline v1.1.7 -> v1.1.8 (Advanced animation editor for Studio (Ctrl+T, read the Help)(possible issues))
  • IllusionFixes v20.2 -> v21.0.1 (A collection of important fixes)
  • Maker/Studio Browser Folders v2.6.2 -> v3.0 (Folder support in chara/scene select screens)
  • Colliders v1.2 -> v1.3 (Add physics to characters)
  • Item Blacklist v1.1 -> v2.0 (Allows hiding items from maker lists, right click for options)
  • More Shop Items v2.1.1 -> v2.1.2 (Adds new items with various effects to be bought in the store)
  • RealPOV v1.3.1 -> v1.3.2.0 (First person camera for H)
  • Free H Defaults v2 -> v2.0.1.0 (Keeps free H selection screen settings)
  • DefaultParamEditor v1.2 -> v1.3.1.0 (Set custom default studio settings)
  • CrossFader v0.2.4.1 -> v0.2.4.2 (Interpolates position changes in H scenes instead of fading)
  • Lighting Tweaks v1.0.1 -> v1.1 (Increases shadow resolution for better quality (Nukes performance))
  • Custom intro v19 -> voices v19 -> v21 (High on sulfuric acid)
  • LoveMachine v3.5 -> v3.7.0 (Adds support for buttplug.io compatible strokers and vibrators)

If you're interested in the characters or scene files from preview pictures, check their description for their sources. If you'd like me to use your picture, please DM me on discord.

Files

Comments

ManlyMarco

You can find most mods and plugins in the mod release channel on the discord server.

Anonymous

As a Follow-up to my X-ray question, specifically the mod I've seen is called "Shoujo v2.0 with KK_LewdCrest 0.12" would love to see it in Sunshine if at all possible

ManlyMarco

That one had issues with destroying game performance so it's kind of in a naughty list. There might be something similar in the future but it's not planned at the moment.

Anonymous

Some mods have changed to a completely different form. Is there a workaround for this?

Anonymous

When I changed from v1.8 to v1.10, the mod changed in a different way.I uninstalled and tried again, same result. Up to v1.8 it's fine and v1.9 and v1.10 will change.

Anonymous

For some reason it was solved when I did it with lite.Sorry for the inconvenience.

Durma Don

Hello. Thank you for all your great patches.I have just applied the full patch for the first time in a while and am experiencing the following problem. Can you please advise which plugin is affecting this? The texture specified in the material editor for the tongue is not applied only in the H scene.In the character creation screen, etc., they are applied without any problem. Sorry if this is a known issue.

ManlyMarco

What was the issue? I don't remember ever hearing about this, was it anything in the patch?

Anonymous

I don't see KKPregnancy, is that included with Preg+?

ManlyMarco

KKPregnancy is not ported yet. Preg+ only adds sliders to maker until KKPregnancy is ported, then the two will work together (it should be ported by the next patch).

Squid

chara cards dont load in properly and not seeing the additional outfits options or any differences from the base game. im sure i downloaded the patch correctly unless i made a mistake

ManlyMarco

Is the game in English? If not then move the game to a directory like D:\KKS and try again. Importing KK cards is going to be a hit and miss at this point since not everything is ported.

TheProfessorsLeft

Alright, I downloaded the HF Patch and started the game. Is it supposed to have a really long load time on startup?

Sndragon

Thanks a lot, a lot of cards are loadable now.

Anonymous

I Have the issue of the source file being corupted

blitzex

Some of the translations for the characters during hscenes became worse after I installed the patch, is it normal?

Anonymous

when I launch the game it goes to a black screen with no sound and just the curser.

LordSpudTheMighty

I'm having the same problem. If I remove the patch the game runs fine. I've uninstalled and reinstalled the patch more than once. No luck.

Anonymous

I also play in Japanese but suffer from the same situation.

ManlyMarco

The startup time will be longer with the patch, especially on first run after installing and if you have a slow HDD.

Matt

Thank goodness the HF patch is here!

willy P

Yooooo, let's go! Thank you!

TheGlitch

qtorrent wont take the magent.

ManlyMarco

Make sure you use the latest version and let it run for some time if it's stuck.

Vincent Fan

When do you think next batch will be ready?

Anonymous

Thanks for all your hard work. Looking forward to ahegao and extra positions.

Lethe

Thanks, Marco! New supporter here. So grateful for everything you do! Also, is anyone else having some clothing anomalies after the HF Patch? My favorite dress (Mimi Top) has it's front ribbon draped all the way to the ground. There are a few other clothing items that also have features dragged to the ground with the patch. I'm assuming these can be individually updated later through the HF patching process...? Oh, and the search option in the clothing window is gone, so there's no way to search for a specific item, like "Mimi Top."

ManlyMarco

You can watch this repo to get notified when there's work on a KKS version of ahegao https://github.com/IllusionMods/KK_Ahegao

ManlyMarco

To fix the clothes issue try installing the KKS version of this plugin manually, watch for warnings on game start https://github.com/IllusionMods/ModBoneImplantor/releases/tag/v1.1.1 If that doesn't help then it might be an issue in the modpack. The search plugin will be added in the next version.

Anonymous

First thank you for your work AND i hace a problema when I click the go out option and It starts yo load the gane crashes and take me out of the game sorry for my bad English I Hope you can help me

ManlyMarco

Send me your output_log.txt file from game directory, ideally on discord in the #help channel.

Engorged Banana

Running into an issue where characters with vanilla accessories save and load into completely unrelated modded accessories. This specifically happens when saving and loading a game playthrough. There is no issue in the character creation.

Anonymous

Are mods for the Steam version of Koikatsu Party compatible with Koikastu Sunshine?

ManlyMarco

Most zipmods are compatible but not all. Most plugins won't work and need to be ported.

Vincent Fan

KKS_Pregnancy is not back?

Tony V

Hi all, I hate to criticize but could you ask the ppl doing the translations to really pay attention to their pronouns? I know its hard to get pronouns right because of the structure of Japanese but the constant incorrect pronoun reversal in the translations is so irritating that I just am taking the translations out and doing them myself using DeepL. And I hate reinventing the wheel. Sorry for the rant but one more reference to your [the players] tits and my [the girls] cock and I'm going to go postal. :-)

Anonymous

hi thank you for the ptach, may I ask if the option to invite girl to room is available or what do i need to do for can invite them, I only can invite de staff girl but i not sure if the option is available or not

Anonymous

I ran into issues with the hair not moving properly and the breasts won’t jiggle during h seances and while you are talking to them, is there a fix for this

ManlyMarco

Translations are contributed by many different people that might or might not be native speakers, if you want to see it fixed the best way would be contributing the fixes here https://github.com/IllusionMods/KKS-Translation/ (best to coordinate on the discord server)

ManlyMarco

Send output_log.txt from your game directory to the #help channel on the discord server with a short explanation of the issue.

Diakai

Anyone know if you can import the female cards from KK with most recent HF Patch to KKS with patch ? I don't have KKS yet, so can't check.

Vincent Fan

Sorry for ask again but is KKS_Pregnancy coming in next version?

LosLos_Sensei

Will have VMD plugin for kks???

KittenAlice

nothing seems to happen when I use the magnet torent link in my torent aplication, is that just on my end?

Squid

Is there a link for CharaStudio VR Theatre for KKS? Cant download off of the official site

Anonymous

求救! 我在steam的Koikatsu Party安裝KKS v1.3 會出現已有遊戲該如何處理??@@

AskaLangly

Is there a way to still follow your posts without patronizing? Had to drop my pledge due to monetary reasons, but noticed I didn't get the notification about 1.3.

blitzex

Sometimes when I transition into Hscenes in the story it ends up in an eternal loading state. How do I fix this? Also, is there a way to disable BetterPenetration? It's acting kinda weird for me.

Anonymous

Do you have the pitch for koikatsu party?

Anonymous

It says that Lewd Crest Version 1.3 couldn't load because I was missing marco.kkapi (1.29 or newer). Where do I find this?

Bruh

if you have the time please consider an update to the vr function for kks please!

Bruh

it's still v.1.0.0 without the ability to use the random selection command. I've seen in past kk hf patch updates you've included updated vr stuff so I figured you had the ability to do so for kks. perhaps im being presumptuous and its out of your hands but im hoping lol

Anonymous

hello would it be possible to have a translation of the game in french?

Tony V

Thank you for this! I got a notice from the Fanza Games website that there will be an expansion for Koikatsu Sunshine coming out on April 8th. Here's where I saw it: https://dlsoft.dmm.co.jp/detail/illusion_0036/?utm_content=pcgame&utm_source=regular&utm_medium=mail_html&utm_term=recommendtitle&utm_campaign=20220213&utm_jdid=27700 I'm looking forward to that new delux suite you can stay in. Something in there about living with a girl you have a 'special relationship' with probably means you can only move in girls you are fully bonded to. Guess we'll see!

Anonymous

I know this is definetly far-stretched, but is it possible to have a setting where girls that approach you to talk, automatically puts you into conversation screen? This is something I miss from the old game that made it easier for me to play it since I also multitask on my pc

ようかん ひなびた

I'm sad to see that 3D capture has been removed from the new VideoExport... If it's possible, I'd like to see the ability to capture 3D video via Screenshot Manager as in the old version of VideoExport. If possible, please bring back the ability to capture 3D videos via Screenshot Manager, like the old VideoExport. I know that not many people need this feature, but I use it a lot. That being said, GOOD JOB! Thanks for the new HF Patch.

Anonymous

Where will I find the Sideloader Modpack - Animations? I am sorry that I can't speak English

Aniut

I just got Koikatsu party and seen that you do mods and stuff. Do I download KKS-HFP v.1.5 or HF Patch for KK/KKP v3.14

Anonymous

After installing this most recent HF patch I'm having an issue where nothing happens when I click on some popup windows. Nothing happens when I click on OK for returning to room, checking out a character from the Booking screen, or even returning to the title screen. Exit game still works though.

GenericMan7946

Where can I get the card of the girl from the first picture? It looks great

Anonymous

I am running in to an issue, whenever i try and install the files, it says "windows cannot access the disk" i didnt have this issue with 1.4 so idk what im doing wrong. Please assist.

Squid

is this patch compatible for the expansion that came out this month?

Anonymous

is additionalFKnodes included in the patch? cause I don't seem to have it. I can't find it in my plugins (Edit: Oh, additionalFKnodes isn't on KKS yet, is it)

Victor Luna

Greetings. I am having problems with the Accessory States plugin, it does not save the changes made. What could be the problem or what am I doing wrong? Thank you.

Victor Luna

Greetings, I inform you, the problem occurs with pubic hair accessories. But after doing a lot of testing, I discovered that the problem arises when the girls use different accessories in the bottom and underwear sets. I solved it by homologating the same type of accessory in those sections. With AccStateSync, I never had that problem (whatever the accessories were), although it is a bit more cumbersome to use. Thanks for answering.

Sndragon

Much appreciated! Quick question, is it just me or the Lover is way too horny? Even at 0 H level, she still visits at night AND does another wakeup H event. It happens many times. Is something wrong with my game?

ManlyMarco

Not sure, it might be normal, maybe she's just really into it. You can try reducing some of the sliders at the bottom of game settings and see if that affects anything.

Anonymous

Thank you very much for your hard work!

Neko Chaos

how the hell does x-ray womb work in studio?

Anonymous

pregnancy stopped working and now there is clipping.

Todd Green

I tried to get Sunshine, but the Japanese site throws me off, even with browser translation. Just too complicated for my pea brain. Guess I wait for it on Steam or some other english site. I did watch your video, but sadly it doesn't work like the actual site, with them not taking overseas credit cards, the whole point purchase thing is too tricky. Many of the buttons won't translate, so I can't tell what to press. Thanks for the mods, though. I'm sure they are as good as all your other stuff!

ManlyMarco

Just click the same buttons as in the tutorial video and it should work. If it does actually refuse the card, you can still use paypal.

Todd Green

Thanks, I watched the video first. Still struggling. Might give it another go, side by side with the video up. Or just wait for an English site to host it.

ManlyMarco

There might be a Steam release at some point, but it's likely to take a long while before it comes out.

Anonymous

since use v1.7 . I cant use chara studio . when i use charastudio stop first green picture

Anonymous

I dont know what happened but I install koikatsu sunshine again and can start chara studio again

Diakai

I think it's this September for Steam. I'm just waiting for that. KKP for now. lol

Anonymous

I have a question about the HF patch. I downloaded the game from steam applied the patch. My question is, can I run the kkmanager app and update safely? When I run kkmanager it is telling me I am missing some updates. Can I run kkmanager and safely update plugins and such? Or should I wait for an updated HF patch?

ManlyMarco

If you installed the full HF Patch you can update through KKManager freely. You can get latest version of KKManager here https://github.com/IllusionMods/KKManager/releases

Anonymous

Is it compatible with the extension?

Anonymous

Can't you fix the VR UI disappearing and the character becoming a shadow alter ego?

TanyaBear

for some reason the patch isnt working do i need to buy the dlc? from steam

Anonymous

KKS (Koikatsu Sunshine) isnt on Steam nor the DLC actually

TanyaBear

i figued out what was wrong everyone kept saying to do “save image “ but i actually needed to “save link”

Diakai

Does anyone know if KKS will ever be on Steam? I've been waiting, but it's been a long time... might just have to get it from the website. Is it better to do that than get it from Steam anyways?

ManlyMarco

There's a good chance of it being on steam but no one knows when. In the end it won't really matter what version of the game you'll get so you might as well get the Japanese version now. The steam ver might be a bit cheaper with the expansion included though.

Diakai

Awesome 👍 good to know. I don't know much about these Japanese to Steam titles and how they work.

Anonymous

After I installed this, if I try to edit a KK card in KKS it messes them up. Looking at the KK discord, it seems to be an issue some other people have had as well, people said the ABMX data isn't kept. Is there any way to fix this?

Anonymous

Any idea when we might get an X-Ray mod like KK/KKP?(not the studio one)

Anonymous

any1 got a solution to connection errors when trying to get to character creation downloade/uploade section?

ManlyMarco

The servers are region-locked to Japan, you need a good VPN to use them, and you can't upload cards from a modded game. Check the wiki linked in the post for a list of card sharing websites.