HZGD-153 The shame-drenched sister-in-law ★ Tsukasa Nagano trained as a human wife by a perverted D/M pet

A brother who went on a business trip alone ended up staying at his younger brother's house. One day, he accidentally finds out that his sister-in-law is having an affair. Captivated by her erotic body and perverted fetishes, the brother agrees not to reveal the affair in exchange for molesting her youthful and fresh limbs. The married woman becomes addicted to pleasures she has never experienced before and various perverted acts, corrupting both her body and mind...