KSBJ-217 My brother's wife was a lewd woman through and through... - Torin

Rin, her younger brother's wife, takes a man with her while her husband is on a business trip and commits adultery with him. - My brother doesn't know it, but she is a slut at heart. - The brunt of this was beginning to reach me as well. - At first he was having fun showing me how he masturbated, but the act escalated! - He showed off his sex with the person he was having an affair with, and eventually came to my bedroom at night...