Himawari-chan, the Little Princess of the school-bag planet called "Girl's Elementary School Star" at the edge of the universe, has come to the Earth to find a husband. With the help of her maid, Sakura...

Sung Hoon was a normal High School student, but one day he finds himself with a cute little tiger girl. He is told that the world will end if he doesn't marry her. Thus the story begins with the cute smile of...