Ryo Seto (played by Erika Ikuta) decided to become an unmarried mother.That also meant resigning as a teacher, but Gou Okuma (Ren Kiriyama) knew that Rione sincerely wanted to continue serving as the teacher of Class C for the third year, and expressed his full support.What's more, taking advantage of Li Yin's confession, Hao's own terrible secret was also made public.Leo's life style is like a human being but not like a teacher, which makes Kaito Yamazoe (played by Hayama Shoyuki) very confused.There, an emergency announcement from Manaka Shohei (Tomo Kaku Tokunaga)!?

After entering the summer vacation, Xianghei became the victim of a special fraud. Kira Moeko (Yabuki Nako) and Ohkido Hikaru (Komiya Rio) witnessed the crime scene.

Not only Xianghei, but also many students such as Guangyuan and Sawai Rena (played by Mizuki Kayajima) have ushered in their own turning points, and the last summer vacation of high school life is coming to an end.Leo, standing on the podium in front of them, finally confessed that he was pregnant and had a child.Whether Leo can continue to serve as a teacher will be decided by the students and parents of Class 3C.In the end, what is Leo's fate? What is the decision made by Class C of 3rd year!?