"Who would let go of you with a look like that on your face?" Did she just get involved with a terrible guy? Yuki, a 24-year-old office worker, has had a long one-sided crush on her best friend and colleague since high school, Yusuke. However, when 23-year-old Kase, who is called a prince and admired by female employees, discovers Yuki’s secret, she is forced to live with him?! "Are you going against my orders?" What will happen to Yuki when her heart and body are both melted by a handsome younger guy?