Natsumi Takaharu, a 2-B student at Yoki University. He who have average looks, average height, and average intelligence  was popular because he has a lot of friends. One day, a transfer student named Luna Suzune caught his attention, he fell in love with her and finally confess his love to her. But when Natsumi confess she replayed 'Snow Maidens don't go out with guys.' and walk away. After that day, Natsumi followed her and declared to make her fall in love with him within 1 month. But 3 weeks past, Luna suddenly left school for unknown reasons. 3 years later, Natsumi and Luna met at a Cafe owned by Luna's parents. Natsumi who still love Luna didn't let go of that opportunity and confess again in front of Luna's parents. Will Luna run away again or will she accept the love Natsumi is offering her.