Otto ga Neteiru Yoko de Giri no Musuko to Nakadashi Sex

Comic adaptation of the audio drama "Raw Sex With Your Son-in-law, Next To Your Sleeping Husband".

You're married to a man who was once divorced, and already has a son. Things are happy, but his job in finance has him travelling often. During one such trip, his son sneaks into your room, and an illicit relationship with you begins...

Things escalate further, culminating in your son-in-law making your moan with his thick dick while your husband is still in the house...

[Character] - Yuuki Matsuhara (23)

Your stepson. A university student with a tall and handsome build.

[Heroine] - You.

An office worker turned housewife.

[Character] - Husband (40s)

A businessman who works for a foreign-owned enterprise. Reliable, but also reliably away from home, which caused his first marriage to end. He trusts his son.

(Source: DLsite garumani)