Short stories about Asari Hamano, a naughty, boyish, voracious, but also a very innocent and cheerful elementary school fourth-grade girl. Asari's father is an executive of a big company, her mother is a graduated from an elite university, and her big sister is pretty smart. However, Asari-chan is a quite ordinary girl. Therefore, she is always teased by her sister, and her mother scolds her for her bad grades.