KAGITORI -BIRD IN THE CAGE HIDING THE KEY-

Touko was taken into custody on suspicion of committing murder and testified that she was the culprit. However, she was subsequently released due to insufficient evidence. The general public did not approve of this, so she ended up being imprisoned in a large mansion. Youta was once saved by Touko when he was young, and he decided to live with her in the mansion after his grandmother was hospitalized, leaving him all alone. They were joined by Touko’s friend Mion, the class rep Yoru, and their eccentric classmate Izuru. He felt that it was a pleasant life, cooking together, chatting about random things and having the occasional argument. But who is the true culprit? And why did Touko confess to the crime? Can the caged girl be saved?

A murder case occurred in the city. Tohko Kujakuseki, a girl who is a benefactor of the main character, Yota Kawasemi, was arrested on a murder charge and she confessed her murder. However, Tohko was released due to a lack of evidence. People around her didn't allow that, and she was imprisoned in a large Western-style building. Yota, who has lost her grandmother and lives alone, decides to live with Tohko in a Western-style building. And Tohko and her close girl, Mion Aobazuku and a class president Yoru Tsubamesawa, With the addition of Izuru Mizuha, an oddball in the class, a communal life with five people begins. They cook, stay in touch, have small conversations and quarrels ... Yohta has come to like such a life. But the girl hasn't committed the murder. She is hiding someone. If that is true ... Who is the true criminal? Why Tohko is going to be guilty ... Is it possible to save a girl trapped in a bird cage?