A girl who spent her short life in a hospital bed makes a dying wish: "God, please, in my next life, grant me a healthy body..." "I shall grant your wish—" "What!?" Fiana, who suddenly finds herself reincarnated in another world with super-healthy body, leaves the demon world where she was born and raised at the age of 13 and heads to the Elysian Academy, a magic school in the royal capital. Her goal: to make friends! However, the magic and punches that Fiana unleashes from her super-healthy body seem to be far too extraordinary for the city dwellers!?