Thanks to a twist of fate, you end up sharing your space with Otoya Kageita, a free-spirited, flirty pro soccer player who acts like a ninja! He's always eyeing other girls and cracking jokes like "Oh, this one's cute~", yet for some reason, he's incredibly weak to even a simple glance or word from you.
He'll suddenly come at you with weird poses, calling it "ninja play," but the moment you so much as hint at another guy, he gets flustered in a panic... Get swept up by this adorably easy-to-read guy as your relationship sweetly and comically draws closer and closer!