A year has passed since my brother, Takeru, married Tsubasa. Yuta, who had been in love with Tsubasa from the beginning, got an unexpected chance one day. Takeru would be working late due to overtime. Seizing the opportunity, Yuta approached Tsubasa and poured out all his pent-up love. Tsubasa, who had been unsatisfied with the sex she had with the busy Takeru, inadvertently began to feel...