"If you were a girl, we would never have met."

"Well- to...to be honest with you- I AM a girl-"

Plain when she is a girl, but hot when she is a guy, Choi Ida has been all his live the slave of Mimi, a rich and spoiled girl. When the stress of Ida is to much to bear with it, she goes into the streets looking for fights, disguised as a guy, Yodah, admired and feared by a lot of people.

But things start to get complicated when Naru, a guy that despite thinking that Ida is a boy, falls in love with her...