Yuta, shocked by his wife Rui's heartless words, seeks solace at a sex shop. There he meets his wife's secret working friend, Tachibana Hina. Sharing each other's secrets, they quickly become drawn to one another due to the fulfillment they can't find at home. Eventually, they started meeting secretly outside the store as well. Yuuta felt guilty but was sinking deeper into his sordid affair with Hinata.
