Read Hazure Waku no "Joutai Ijou Skill" de Saikyou ni Natta Ore ga Subete wo Juurin Suru made Manga:
A high school student that has lived as a mob-character ―― Mimori Touka (三森灯河). During the school trip Touka and his classmates are summoned to another world. According to the summoned goddess, summoning so many best ranks like S-rank and superior ranks like A-rank heroes like this is very unusual. However, Touka was the only one with t more.. he 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.