Joo-yi and Yeon-seo graduated from the same girls' middle and girls' high school. Now, they are accepted in women's university. Yeon-seo has a hard time when she meets a guy and Joo-yi gets nervous whenever she meets a guy. One day, they move into a dormitory and live with three guys. How will Joo-yi and Yeon-seo adapt to their new life? Can these two solo girls start their mello life?...

Han SeonNyeo has the same face and name as the heroine in the manga, but her personality is her opposite. It tells her love story with the handsome Chun NamWook who popped out of the manga and appeared in front of her....