On the day of his 16th birthday, Shigeaki, a first-year traditional high school student, meets two cute transfer girls, Nikaido, who is a little unapproachable, and Aoyama, who has a friendly dog. Akira, who feels a premonition of a rosy school life, comes with the true power of her family for generations, the power to "stop time at will"! However, the power he inherited has a side effect, which causes Akira to be unable to move for a while...