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

A high school student named Hidako Masamune is frequently bullied by his peers and, overwhelmed, attempts to take his own life. Instead of dying, he and his classmates are transported to a different world where they gain extraordinary abilities. Hidako, however, is given the ability of a "healer," considered the weakest class. The king plans to exile him to a distant location, but before this happens, Hidako vows revenge against the king, the kingdom, and his classmates.