Locked in a room where he can't leave until he accumulates 20 ejaculations... Having sex with his wife isn't enough, so he has to lend her body to the incredibly handsome older man locked up with him. Misaki Sakura DVAJ-601

When I regained consciousness, I found myself, my wife, and I locked in a room with a strange older man. The prisoners were saying that if we could produce 100ml of semen within 24 hours, we would be released; otherwise, we would face cruel punishment. Left with no other option, I continued having sex with my wife, but even that wasn't enough. In desperation…