Office lady Yotsuha goes on her first business trip with her boss. When the two of them finished work and headed to their accommodation, they found that only one room was booked at the inn. It was something that Yotsuha purposely arranged so that she could stay in the same room as her boss... She is swayed by the temptation of her subordinate who acts innocently and becomes addicted to it... A forbidden love that transcends age differences and hierarchical relationships for just one night.