Home/SeriesChii-chan Kaihatsu NikkiFeb 25, 202012.7K views0 likes Save for laterAbout the seriesMeet Chisato Mashiro, a seemingly typical young girl who thinks only of boys and meets her senpai.All episodes2 episodesEP 1 Chii-chan Kaihatsu Nikki Episode 124.5K viewsEP 2 Chii-chan Kaihatsu Nikki Episode 215.1K viewsCommentsLoading comments…Enable JavaScript to view and join the discussion.