Chii-chan's Development Diary official wallpaper
Chii-chan's Development Diary poster

Chii-chan's Development Diary

(2020)

Seasons

Chii-chan's Development Diary Season 1 poster

Season 1 (2020)

with 2 episodes premiered on January 31, 2020

While her parents were away, Chisato’s uncle snuck his way into her room, looking through her unmentionables…She finds him in the act and he decides to make good on her promise from her childhood and…