Finally, a Servant (Pixiv Fanbox)

When he first met Ellie, Joel thought he was supposed to escort her and help save mankind. Little did he know, Ellie had other plans. After entering a secluded safe zone she planted a mysterious implant on Joel's neck while he fell asleep. Using a device stolen from the Fireflies, she could finally have what she always wanted - a brainwashed servant to obey all of her commands 🤭