The protagonist of this work is 30-year-old Sada Nariya who works in a comprehensive trading company.He is a handsome guy and ace in the department. He has a secret that only college and company junior Daiki Urono knows.That is the character of being naturally likes to be handsome, and implements the setting of “ of girlfriends who have been dating for many years, and turns into ” of half virgin =0.5D%.In this way, he fell in love again after 10 years and received love guidance from Uno, who has 8 girlfriends.