Atsushi is a 27-year-old salaryman who has been in love with his coworker, Toshihisa, since they were in university. Thanks to his smile and pleasant persona, Atsushi is popular at work; he has dated only women, and Toshihisa is the only man he's crushed on.

After Toshihisa's wife runs off on the day after their wedding, Atsushi is caught between the possible second chance with Toshihisa and his feelings for Kenzou, who comforted him the night before.