The eldest daughter of the Haibara family, Feili (Okuma Anyu), does not go to school and keeps her heart closed at home.Meanwhile, Kuromi (Nagisa Sekimizu) hears unstable news from Chisui (Hitai Akutsu) about the reason for not going to school...

In order to listen to Feili's true words, Kolomi got close to her.What came out from my own mouth, as I began to open up my heart, was the shocking truth——.The reason is Sakuma Shuichi (Guan Zheta), a teacher at Feili's school.Threatened with taking pictures of Feili's underwear!For the sake of his “ideal family”, Chromie set out to eliminate Sakuma...