A school romantic comedy about the cohabitation life of a popular high school girl in a class and a Japanese language teacher who is swayed by her in the fifth in the series "Not in Textbooks!". Aya Shirakaba, a high school girl who attends Otome High School, and homeroom teacher Arihiko Tairaku lived together at the command of the leader of Yakuza, the father of Aya. One weekend, Tairaku invites a longing colleague, Yayoi Satsuki, to date, which was also Aya's birthday. Aya learns that Tairaku is going to date May. Ayaka Morikawa, who plays Aya Shirakaba, and Ryouma Baba, who plays Arihiko Tairaku, continue to star in the series, while Moemi Katayama and Anna Hongo have played the role of May, who is now gravure idol Natsuki Sena.