I Became The Strongest With The Failure Frame

Chapter 4
Chapter 3: Trample, Or Get Trampled
Chapter 5
Chapter 3: Trample, Or Get Trampled
Chapter 5
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.