Tenkoo

Noriko lost her mother Yoshie when she was only 10-years-old. Yoshie knew she would not be able to live long enough to see her children grow up and wrote birthday cards to her children in the future. Agonizing over relationships with friends, love and marriage, Noriko grows up with hints and thoughts hidden on birthday cards which are sent from her mother every year.

Haru works at a part-time job for a bookstore. Her dream is to become an illustrator and she also loves cats. One day, after a cat named Chibutomu disappears from the bookstore Haru canvasses the neighbourhood in search of Chibutomu.