貞操逆転世界では、三十五歳を超えると出来なくなるらしい。 (Associated Names)

“I was reincarnated to this world, so it doesn’t apply to me…” I was reincarnated as a thirty-five year old, single, Suzuki Hajime in a c*astity-reversal world. However, it seems that men’s ability to procreate declines significantly after they reach the age of 30 in this world. But as a reincarnated man, that doesn’t apply…