Six years ago, the heroine of Second Virgin's Kojirase Girl, who has been away from romance since she was badly betrayed by her boyfriend, is suddenly called to the reference room by Sawamura, a handsome junior who is popular in the company. "I'm going to be your boyfriend from today," Sawamura kisses the heroine who can't keep up with her understanding because of the suddenness. The heroine, who had almost forgotten the warmth of the man, was too immobilized and ...... as Sawamura did.