A man suffering from a sexless marriage calls a delivery health service to relieve his pent-up desires. The woman who arrives is Yui, a top-ranked and popular escort. Gentle and exuding maternal warmth, she also possesses exceptional skill, completely captivating the man. As he continues to request her services, he opens up about his personal struggles and seeks her advice. Responding to his sincerity, Yui suggests a bold idea: to perform erotic acts in front of his wife and provoke her jealousy. The man shares the plan with his wife, and they decide to invite the escort service together—right before her eyes.