Maruko and Takenouchi, who had been investigating, heard Natsume Yuai's testimony and invaded Aida's home. There, they found a large amount of criminal evidence such as Sakurai's photos and trap designs.

Aida was rejected by Sakurai and the secret was revealed by Komaru and others, so he decided to start his final extracurricular activities. In the classroom where Sakurai was absent, Aida confessed his crimes so far and was severely punished by the angry students. However, Sakurai, who was supposed to be locked up at home, suddenly appeared. Aida held this class meeting without escaping, just to see Sakurai again.

Extended information:

Plot summary

The handsome art teacher Aida Rintaro is very popular in the school. Recently, Sachiko Sakurai, the top student in the class he is in charge of, has been hurt by a series of vicious pranks, and he feels very sad. Bullying using adhesive was also discovered today. Although an impromptu class meeting was held, the culprit could not be found. Aida comforted the disappointed Sakurai and gave him chamomile tea as a gift, and Sakurai smiled.

Sakurai, who lives alone due to family reasons, falls in love with Aida, who once cried when he heard about his situation. However, Aida has a secret that Sakurai doesn't know about. That night, a mysterious figure appeared under the sleeping Sakurai's bed.