【Challenge Week 3】ナ・マ・イ・キ♥　Cheeky ♥ (Pixiv Fanbox)

Sis! How long have you been basking in the afterglow of ecstasy? You forgot to clean it up. I'm sorry, but I'm going to lick you and clean you up so you'll be in a better mood... and you can do it again, right? He' s four years younger than me... He's so cocky,... But I can't resist him, can I?