Two-Dimensional Panel Brother

Introduction 1: The story of a rough man who lived and died in various worlds. Introduction 2: The story of an outstanding person becoming stronger and stronger in various worlds. Introduction 3: The growth history of a shota. Introduction 4: If you don't understand the above three points, you will understand after reading it! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.