おくることば (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: One day, a high school boy, Sawara, was killed in a traffic accident. However, his death was not an accident. He was killed by his childhood friend, Chiaki. Why did Chiaki kill him?　Sawara's death brings to light the true feelings of his classmates and a new truth.

(Translator: DeepL)