Alto Goldfield is a hardworking student at the Ortigia Academy of Magic. Despite his determination to become a great sorcerer, he keeps on failing the summoning class.
So in a desperate attempt to pass, Alto ends up using a forbidden book and accidentally releases a demon. As thanks for freeing her, the demon; Vermeil, allows him to summon her at will, sealing their partnership with an intimate kiss.
Boy Accidently Summons A Demon Lord And Is Forced To Live With Her