Ryo Jisung an 18-year-old boy who is an orphan gets taken in by a rich lady to take care of her Son's and nephew's who are all still high school students and some University students.

Things get complicated by Jisung's fear of men and need to live with 9 of them is definitely a challenge for him, as time passes will he be able to get used to the idea of having them around? and what happens when one of these boys end up falling in love with him?