Arifureta Shokugyou de Sekai Saikyou

Hajime Nagumo, a true punching bag, finds himself transported along with his entire class to another world. While his classmates acquire incredibly powerful combat techniques, Hajime finds himself endowed with only a modest skill. Following a classmate's malice, he is left for dead in a labyrinth. Hajime, desperate and disheartened, still finds a way to become stronger, and meets someone who will change his destiny: the vampire Yue. "I will protect you, Yue. And you will protect me. We will sweep them all away and transcend this world."