Nishina Shiho, is a young mother and raises her child while working as a writer at home. Although she enjoys her life and has a perfect husband, she is troubled by her lack of sex with her husband, Kosuke, who has ED. Due to this, Kosuke suggests that they attend a "couple exchange party", where couples change their partners for various reasons.
| Directing | Mitsunori Yokobori | Director |
| Writing | Atsuya Asano | Writer |
| Sound | Kis-My-Ft2 | Theme Song Performance |
