A lively and lovely girl who regards money as her life got to know her best friend because her bicycle was damaged by an unknown person while she was helping her buy things. . . The boy was looking for a pianist for his cousin, so he went to a school called Sherry Academy to find a student to be his cousin's piano teacher. So the teacher recommended the girl, and they got to know each other. . The girl regarded the boy as a brother, so the girl moved into the boy's house and fell in love with the other boy. . But he is very carefree. . . A lot happened between the two of them. . . . .