Haruyoshi Kuga uses a reincarnation spell to bring Seika Lamprogue happiness, but his onmyo art exceeds the world's magic.

Betrayed and on the brink of death, genius exorcist Haruyoshi Kuga still has an ace up his sleeve: a reincarnation spell. With a successful incantation taking him to a new world reborn as Seika Lamprogue into a distinguished wizard family, his only wish is to find happiness. But as Seika's onmyo art exceeds this world's magic, will he be able to live an easy, happy-go-lucky life?