本作は山形マット死事件、大津市中2いじめ自殺事件、川崎市中1男子生徒殺害事件、東松山都幾川河川敷少年殺害事件など、いじめによる子供の死亡事件に着想を得たオリジナルの物語。
遇播放卡顿或无法播放时，可切换线路播放
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