Iori and her husband have been married for a long time. Lately, her husband has been drinking constantly and they have been arguing a lot. Today, the younger couple of her husband came to visit and witnessed the discord between the older couple. Yuki, Kentaro's wife, suggested that both families go on a camping trip together and swap spouses to make the trip smoother. Although Iori's husband seemed reluctant, he agreed to go along to show indifference towards his wife. Iori, feeling angry but agreeing to the plan, went on the camping trip. During the trip, Iori teased Kentaro all day to provoke him.NSFS-056 Change wife with younger brother when going camping and the ending In the evening, as they had swapped spouses, Iori ended up sharing a tent with Kentaro. When she woke up in the morning, she found him hugging her, mistaking her for Yuki. However, the soft touch of his arms, the sweet scent, and Iori's beautiful face made Kentaro unable to resist. He continuously had sex with her despite Iori's husband and his wife preparing breakfast outside. Kentaro's large and vigorous penis conquered Iori over the next two days, with her continuously letting him have his way with her. As for Iori's husband, being away from his wife made him realize how foolish he had been. He truly loved Iori and decided to change to bring happiness to her. He cooked a delicious breakfast to show his feelings, happily went to Iori's tent to wake her up, only to find his wife naked in the arms of the younger man.
