Nito no Taidana Isekai Shoukougun: Saijaku Shoku "Healer" nano ni Saikyou wa Cheat desu ka?

Continuously tormented by his classmates, Masamune Hidako, a high school student, reached a point where he decides to take his own life. However, instead of dying, he and all his bullies are transported to another world where they acquire incredible abilities. Unfortunately, Masamune only receives the gift of healing, the weakest of all powers. Due to his lackluster strength, the king exiles him to a far-off location. But before his banishment, Masamune vows to seek revenge on the king, the kingdom, and all his former classmates.