The Undercover Heir is Actually Tycoon's Secret Girlfriend - Chapter 474 - 393

Going for a swim, she ends up in an ancient wild Beast World and ends up being brought home by a handsome wolf.
She wants to stick to the handsome wolf, stock some salt, farm some land, look at some handsome men and grow old like that, but the handsome wolf pounces on her every day.
What? He wants her to have babies?
NO~ NO~ NO~ There is no happy ending to interspecies marriages, hurry and let go of me handsome wolf~

- Description from Novelupdates

Qin Mu was transmigrated to a world filled with fierce beasts and endless chaos.But from the very beginning. fate granted him the Invincible System --- a power that defies all laws.From that day forth, his strength increased without limit.The cultivation bottlenecks that had trapped countless powerhouses were shattered overnight.Ancient laws that could only be seen by genius among genius? Understood in a moment.Trial after trial that destroyed genius for generation? Cleared without moving an inch.And as his strength grew, the world trembled.Across realms and races , no one could stand in his way.At the peak of creation, Qin Mu Stand alone ------ crushing all beneath his invincible rise.

Strength: 1Agility: 1Stamina: 1Magic Power: 20Luck: 1All my stats are dumped into Magic Power.I can only use one spell.There’s no character as broken as this, and yet, that’s me.And somehow, I got mistaken for a once-in-a-lifetime genius.

God plucked one of his creations from his first Earth and gave him a second chance in another one of his Earths...surprise it is in DxD! Now reincarnated as a perverted side character how will our poor protagonist handle his new identity? Well he probably wont make the choices you will want him to, that's for sure!