Mio Sasaoka hears of a middle school student that was a victim of bullying and then committed suicide. Mio thinks the girl should have confronted her tormentors rather than committing suicide. Mio herself is the leader of a group of students at her school. She is a bully. Her main target is Maria Shiozaki who is weak. Mio pushes her into the swimming pool and scribbles on her book, justifying her actions because Maria is disagreeable.

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