Laust, an adventurer and healer, only possesses basic healing abilities. Despite this, he relentlessly trains to contribute to his top-tier party. However, his efforts are unappreciated, and he's expelled after a failed quest. The party later realizes Laust's true strength—he was the reason they were considered top-tier. This is the story of a mistreated healer who, after being unjustly dismissed, finds those who recognize his worth.