Shihori is suffering from her jealous husband. - Her husband's restraints are getting worse every year... Shihori is exhausted from her married life. - Meanwhile, on a day trip, Shihori discovers that she made a mistake when ordering. - Busy with dealing with mistakes, Shihori ends up spending the night with her boss, Mizuki, on a business trip. - However, only one room was secured. - Shihori, who was alone with a man other than her husband for the first time in a while, couldn't hide her heart pounding...