Your mother works as a maid for a rich woman, she is one of the richest people in South Korea, and after school you always help her with her work. That woman has two children, the youngest daughter your age, Bomi, and the eldest son, Beomgyu, who is two years older.

Bomi and Beomgyu always mocked and mocked you, but Beomgu left and only Bomi annoyed you for a whole year, and then Beomgyu arrived.