Be the Hardest Working Demon Cultivator! - Chapter 5 - . This practice journal is widely popular.

He is high above, the mysterious and terrible King of the Wild. With one glance, he can see people’s romances. He hates women to the extreme, but at his first glance of her, he dotes on her and spoils her.
She is a humble transmigrator, a miracle doctor who doesn’t care for the many handsome men around her. She only wants to become strong, to be worthy of that god-like man. But when she’s finally sure of her feelings, she finds out she’s already been married for years…
……
When wronged：
She uses strength to hit the big handsome iceberg-like man in front of her eyes. “People say that I’m not good enough for you, but it is you who is an old cow eating tender grass!”
A man seizes the main point and laughs like an evildoer. “This husband has to eat the grass to confirm if it is tender or not!” He puts out the red candle……
……
The world says：
The barbarian king has no heart and has no passion.
A pregnant woman very miserably thinks,” If he has no passion, then who is responsible for this big belly?”

- Description from Novelupdates

Lin Mu is the number one genius of Jade Sect—handsome, elegant, and peerless in cultivation. Revered by elders and envied by peers, he stands at the top in every way… except the one that matters most to his lovers.He is small. Quick. Weak. In bed, he’s a failure.And everyone in the sect knows it.Women fall for his charm, only to leave his bed aching and unsatisfied. His first wife, Xue Lan, still loves him—but seeks her pleasure in the arms of others. Soon, more women join him, enchanted by his beauty and tenderness, only to find satisfaction in stronger, rougher men......WARNING: [Netorase], [Cuck], [Cuckold], [Netorare], [SPH], [Size Comparison]

Reincarnated into a poor youth in an unnamed mountain village in another world, Lu Qing expressed deep helplessness. Fortunately, he awakened an ability to see through the information of objects, giving him a bit of capital for survival. He looked at a patch of grass by the roadside.【Cow Bone Grass, average quality, medicinal, quite effective in treating bone injuries.】He looked at a red carp in the river.【Red Moon Carp, excellent quality, delicious meat, a top-grade tonic.】He glanced at a wild rabbit in the mountains.【Gray Rabbit, common wild rabbit, edible.】…Relying on his innate ability, Lu Qing gradually found his footing in the village, able to survive. Just when he thought he would spend his life peacefully in this ancient world with low productivity, one day, he suddenly saw a figure flying across the sky…

Tong, a sinner who was suffering endless torment in hell because of his mistake he had done in his previous life, was giving other chance to redeem himself by the devil.