Short Story 04

Prototype Melon Suit (試作メロンスーツ) is a short story included in the Kamachi Kazuma Fanbook "Heavy Object +" (鎌池和馬 FANBOOK「ヘヴィーオブジェクト +」) and the Melon Books "Heavy Object" Anime Memorial Kamachi Kazuma-sensei Fair (「ヘヴィーオブジェクト」アニメ化記念 鎌池和馬先生フェア). It was released on October 10th, 2015.