Campione! (2012)

Godo Kusanagi, a typical high schooler, finds his life transformed when he defeats a god, inheriting its formidable powers and the prestigious title of Campione. With this new identity, he becomes a target for other deities, who seek revenge. As he navigates the challenges of his dual existence, Godo must harness his newfound abilities to confront these divine adversaries, all while managing the complexities of teenage life. Adventure, battles, and mythical intrigue intertwine in his quest to maintain balance between the mortal realm and the world of gods.