Kazuki Shikimori is a poor student at a prestigious school of magic. He can only use his magic 8 times before he turns to ash and disappears. In the first episode, Yuna Miyama transfers to the Aoi Academy and claims to be Kazuki's wife. Meanwhile, Rin Kamishiro and Kuriko Kazetsubaki are instructed by their families to meet Kazuki and obtain his genes, as they may create the most powerful magician in the world.