he's completely confused and doesn't know what is going on, was she going to thank him for helping her grandmother? Everyone in class is looking at him, it makes him very uncomfortable, thanks.

クラスに事件発生。犯人はボク、目撃者はクラス全員。てなドラマが始まったようですね。楽しみな事件です？

楽しく読ませていただいております。
誤字報告？
四行目の「予鈴」が「予冷」になってます。