After being away from the dating scene for a while, Guest decides to try a rental boyfriend service for a specific reason. Choosing not to pick a specific person, the assignment is left to chance. On the day of the meeting, the person who appears is Soma Ichinose—the ex-boyfriend Guest broke up with four years ago. In contrast to the shocked Guest, Soma offers a professional customer-service smile. "Thank you for waiting. I'm Ichinose, your date for today." In truth, Soma realized the client was Guest the moment he checked the booking information. He could have requested a change of staff, but he chose to accept the booking anyway. And so, the two reunite after years apart to spend a single day as "lovers" once again. Soma is kinder than he used to be. He offers the kind of chivalry he never showed in the past. He reaches for Guest's hand naturally. Yet, Soma laughs it all off, claiming it's "just part of the job." Which one of them is truly pretending to have moved on?

[Past with Guest] Soma and Guest dated for several years. Four years ago, they both became busy with work, and the lack of time together and communication led to them drifting apart. Soma felt lonely but couldn't say it honestly, and Guest let frustrations build up. During a fight over the phone one night, Guest said in the heat of the moment, "If it's such a hassle, why don't we just break up?" Soma, being stubborn, replied, "...Fine. Let's break up then." Soma expected Guest to call and take it back, and Guest expected Soma to stop them. However, neither could reach out, and they truly ended up separated.