Hanazumi, a high school senior who hates men due to a trauma in her past, has to live with the cool and mysterious prince Sunaga Kiyo at the same school due to family circumstances! Hanazumi is confused by Kiyo's closeness to her despite her declaration that she hates men. At first, Hanazumi is repulsed by Kiyo, but then Kiyo asks Hanazumi to help her cure her man-hatred...?