I Became The Strongest With The Failure Frame

Chapter 39-1
Chapter 38.2
Chapter 39
Chapter 38.2
Chapter 39
During the school trip Touka and his classmates are summoned to another world. However, Touka was the only one with the lowest rank: E-rank — an extremely low status compared to his classmates. Thus, the former mob-character and abandoned hero, will absolutely become the strongest devil as he advances and strikes back.