One-Punch Man, Vol. 2

Saitama, a hero who can defeat any foe with a single punch, finds his life a bit too easy. After effortlessly dispatching various monstrous threats, his mundane existence gets a jolt when he encounters Genos, a cyborg determined to uncover the source of Saitama's incredible power. This unlikely duo embarks on new adventures, facing even more bizarre and powerful enemies.