Set in Kyoto, Japan, a love story takes place between Hajime and Reika. Hajime is a handsome young man, who is usually a second quicker than everyone else and straightforward. He works at the post office. Reika is a young woman, who is usually a step slower than everyone else. After Valentine's Day, Hajime wakes up and is unable to remember what happened that day.

After losing his friend Poupelle, young Lubicchi wanders into a mysterious realm where a clock in a tower is frozen at 11:59. To return home, he must restart it – and find the courage to believe again.