This drama is adapted from a comic of the same name. It tells the pure love comedy between Makoto, who has a cute appearance and has been dressed as a girl by her mother and sister since childhood, and Liang, a childhood sweetheart who is tall and looks like a boy.

Since childhood, he was mistaken for a man and a woman to reverse the couple, but Makoto has a deeper and deeper relationship with Liang, and wants to get rid of the simple childhood sweetheart relationship.Makoto couldn't accompany Kyoto to join the friendship with women, and her first competitor appeared in front of her, and the relationship between the two who had friends or lovers was not satisfied began to change.