“Renjo-kun, I want you to be… my fiancé.” One day, Tohru Renjo helps out the cutest girl in school—rumored to be a striking Nordic beauty, Aino Ryuti—at a bookstore. Out of the blue, she asks him to become her fiancé. At first, it’s just a request to fend off an unwanted political marriage. But when Aino realizes her arranged partner was actually Tohru all along, she suddenly becomes very enthusiastic about the engagement…! What starts as a fake relationship gradually blossoms into something real, as the two awkwardly navigate their new life together.