最強の傭兵である俺がイジメられてる陰キャ高校生に転生した件～語学堪能で喧嘩も最強な俺は学園と裏社会で現代無双する――『転生傭兵の学園無双』 (Associated Names)

The once legendary mercenary Miyamoto Ryuji finds himself reincarnated as Jinta Fushimi, a dull and Introverted boy who is being horribly bullied at school. However, everything changes when he discovers that he hasn’t entirely left his legendary past behind. Somehow, the extraordinary abilities and combat skills he possessed as Ryuji Miyamoto have carried over into…

The legendary mercenary, Ryuji Miyamoto, died on the battlefield. But when he opened his eyes, he’d been reincarnated as Jinta Fushimi, a lackluster boy who’s being horribly bullied at school. Now, as a super-skilled mercenary, Fushimi is going to amaze his classmates and everyone around him.