This drama is adapted from the manga of the same name, telling the story of Gojo Shinna (Kouta Nomura).) is a high school student who is very interested in making traditional Japanese Hina dolls and aspires to become a “tōshi”.However, because his interests are different from those of his peers, Xinai feels lonely in school and alienated from other classmates.

Kitagawa Umume (Riko Nagase)) is a popular figure in school. She looks glamorous, but in fact she is an obsessed cosplay enthusiast.When Hai Meng discovered Xinai's excellent ability in making puppet costumes, she asked him to help make cosplay costumes.As the cooperation between the two gradually deepens, their relationship is also quietly changing...

Gojo Arina (Kouta Nomura) aims to become a doll maker, but because he is too focused on dolls, he has different interests from his peers and cannot integrate into the class.One day, the sewing machine at home broke down and she couldn't make clothes for the doll. She thought of going to the school's costume room to borrow a sewing machine.

In the empty clothing room in the morning, Aina is making clothes, and the class star Kitagawa Ummu (Nagase Riko) appears.Hai Meng is a lively hot girl who lives in a different world from Xin Cai.Seeing Xincai making clothes, Haimeng teased him, and Xincai was so surprised that he dropped the doll to the ground.

Because of the psychological trauma caused by past experiences, Xincai hurriedly hid the doll, but Haimeng's reaction was beyond Xincai's expectation. She praised the doll after seeing it.

Suddenly, Haimeng said to Shina: “I want Gojo-kun, who can sew, to see this thing”, and then Haimeng started to take off his clothes——