Japanese teenager Yota Moteuchi has a problem, he's in love with his classmate Moemi, but can't bring himself to ask her out. Even with the help of his friend and high school heart-throb Takashi, his reputation as the dateless wonder and his lack of courage are a curse that seems impossible to overcome. Now, in the midst of the all-too-short winter vacation from school, Yota sees his chance to win Moemi's heart. Little does he know that his fate waits just around the corner, and the name of the one who will change his life is... Ai.