The Adventures of Tantalum & Saikō No Joō!

Akari Hirai is an ordinary young woman who awakens one day with superpowers. Determined to help others but dangerously untrained, her first attempts at heroism nearly get her killed - until she's saved by Tantalum. Realizing Akari won't survive without guidance, Tantalum takes her under his wing. Thus begins a chaotic, heartfelt, action-packed journey as Akari becomes the newest heroine in the world: Saikō No Joō.