Fed up with his wife's lack of interest, Ippei signs up for a matchmaking app for married people. Though he feels a little guilty, he ends up meeting Maki, a married woman with the same problem. The two share a common love of coffee, and gradually become close. Maki hesitates, but Ippei persuades her to stay at a hotel, and they go at their own pace. Attracted by Ippei's sincere attitude, Maki invites Ippei to her house a few days later...