A woman finds a strange animal in the rain. It offers her an umbrella to show its charm. Impressed by its wit, she takes the dog-like being home, beginning their shared story.
Kei, a popular young TV caster encounters Tsuzuki, an animation artist and gradually starts to have feeling for him but he owns a big secret that he has to pretend being a totally different person.
Ueno-san, who is in her third year of junior high school, is in love with the concept of falling in love. She makes full use of her inventions and tries to show it off to Tanaka, her Science Club junior.
