Waka, a wife whose husband is working away from home, is frustrated. One day, while cleaning the house, Waka develops back pain due to lack of exercise. Unable to go outside, Waka discovers a food delivery service that is a recent trend. She gradually becomes friendly with the delivery man who comes to deliver the food, and the two of them grow closer... The frustrated wife has a brief rendezvous with the delivery man... "I'm sorry..." I'm not cheating on you...