YMDD-506 Brother's wife: twisted envy and beautiful sister-in-law. The inferiority complex towards the elite brother creates a longing codependency Yuika Onozaka

I, the worthless one, was constantly looked down upon by my family due to comparisons with my younger brother, harboring pent-up emotions. One day at a housewarming party, I felt attracted to my brother's wife, yuika, and ended up assaulting her... Even though she says she hates it, I couldn't help but cum inside her as she convulsed in pleasure. In a situation where my brother is in the next room, I make her give head or use sex toys to train her. As I develop feelings for her, she also starts to be drawn to her brother's straightforwardly loving older brother and begins to actively pursue me...