Kurumi lives under one roof with her father and her overprotective brother, Ataka. One day, she reunites with Nagio, her childhood friend. Now a young man, Nagio doesn't hesitate making advances—much to Kurumi's dismay—kissing her out of nowhere and telling her how he has always liked her, in the process totally wrapping her around his finger. And while Kurumi is put off at first, she eventually finds herself head-over-heels for Nagio ... This childhood-friend romance starring a black-hearted-yet-loving (?) boy is filled with sweet and passionate kisses!
Kurumi has reunited with her childhood friend Nagio after many years. At first she's perplexed after he kissed her out of nowhere and confessed that he liked her. But soon she realizes she likes Nagio and decides to give him a kiss herself—only to have Kurumi's overprotective brother, Ataka, just happen to be there to witness it! In his anger, Ataka decides to take some extreme measures against Kurumi … ?!