The brother's wife's twisted love and hatred are directed at her sister-in-law. (Ichinose Hazuki, YMDD-489)

From the moment he became conscious, Yuto was constantly compared to his older brother, who excelled in every way. This became the main reason why he lived his life tormented by inferiority and feelings of inadequacy. Keigo continued to treat Yuto like a useless servant. Ultimately, the desire for his brother's wife, "Aimi," which arose from Yuto's hatred, became a reality. The younger brother, who was overjoyed to have his excellent older brother's wife pregnant, the older brother, who accepted this younger brother and was excited about NTR, and the wife, who loved her brother, accepted everything about her brother, thus forming a new family...