Lee Donghae, he was born a woman but because of a dreadful meeting and a heartbroken woman made her transform into a man. Donghae being a lesbian can't and she will not fall of a man.

...or so she swears.

Lee Eunhyuk, man who returned home after serving his country. He goes to an invited welcoming party by his dear friend when he bumps into a clumsy child named,Asha, and she drops her pinch over his jeans causing to retreating to one of the house's bathrooms. Once near the closest one, he hears the whinings of a woman and what he sees will eventually change his life.