Kotoi Shihori gets married but is not happy in sex. Her husband's younger brother knows his brother is weak in physiology, feels guilty for his sister-in-law to occasionally sit and masturbate alone.
Kotoi Shihori and her brother took advantage of when her husband was not at home, they stealthily stole. Even when husbands were sleeping, they did it outside the door.
Her brother-in-law Kotoi Shihori also invited his friends home, played some with his sister-in-law, and helped her sister-in-law to satisfy.
There Is A Favorite Person On The Other Side Of The Bran. Every Day I Kill My Voice So That