From a young age, Yuto has been constantly compared to his capable older brother, and this has been a major reason why he has lived his life tormented by complexes and feelings of inferiority. Keigo continues to treat Yuto like a useless servant. Eventually, Yuto's hatred for his brother's wife, Aimi, ignites into a desire that becomes a reality. Wanting to do something to his brother's wife, he suddenly attacks Aimi...