Character profile
Kumagai
熊谷Biography
Kumagai is an inspector at Shonan Disciplinary School who replaces Ishihara as the officer responsible for Cell 206. Kind and genuinely concerned for the boys, he greets them warmly and brings a measure of peace to their confined lives.
Story spoilers
Kumagai discovers that Ishihara and Sasaki intend to silence Sakuragi. While trying to save the unconscious Sakuragi, he is murdered by Ishihara, and Sasaki conceals the killing with a false medical report.
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