Unlike more mainstream "pretend marriage" shows like More Than a Married Couple, But Not Lovers (which focuses on high schoolers learning about relationships), deals with adult characters facing real marital stagnation and the complex psychology of infidelity. The Appeal:
Emotional infidelity, psychological distress, explicit sexual content.
While staying at a hot spring (onsen) together, the four friends begin discussing their sex lives and the differences in their relationships. What starts as a series of conversations leads to a "marriage exchange" for one night intended to bring variety to their marriages. However, the experience quickly spirals as they discover they may prefer each other's partners, leading to forbidden desires that threaten their original relationships. Quick Facts : June 2023. Episodes : 8 episodes (each approximately 6 minutes long). Studio : Studio Hokiboshi.
With 8 episodes at 6 minutes each, it’s a quick binge that focuses entirely on the central conflict.
: It is categorized as a mature adult (hentai) drama focusing on themes of infidelity and relationship shifts.