寝取られ病～愛する妻が俺以外の男に中出しされないと助からない奇病になったら～

My darling wife Chihiro was stricken with a sickness that had no treatment, except one: the creampie ejaculations up her beloved vagina by someone other than me, Shiro, her husband.
Watching her make love with strangers, it was a cure worse than the disease.

We were so happy when we married, and then one day she suddenly collapsed.
I wasn't a compatible donor. She needed the hot spunk of someone else, or she would die.
It was for her life. A pleasure prison, a violent fear. These were our hellish days...