The Protagonist System - 283 Norse and South

As a walk-on, he had been the mistress of his sugar daddy for three year. However, they only had met each other for a few times.
As a boss, his sugar daddy had tons of lovers.
The walk-on: The cake shop is the only thing I love in this world. Lovers? Never want one.
The boss: No problem. Nobody wants that.
Then, they fell in love with each other…
Shameless playboy x heartless rogue
1v1, this is not a decent love novel.

- Description from Novelupdates

A certain Xiao wang* embraced her who was in men’s clothing, rolled over onto the ground, not neglecting to kiss her with burning kisses.

She who was going to war on behalf of her brother yelled out, “Wangye*, I am a man! A man! Do you see clearly?”

Wangye acted as if nothing happened, accurately captured two fragrant, soft and sweet lips, one kiss after another: “This wang am recently sexually inclined towards males!” A certain female’s tiny waist was being crushed as she tearfully pled, “Wangye, please spread the rain and dew!”

A certain Xiao wang: “There are many potential lovers to choose from, but this wang only wants one.”

She, Linghu Shui Yue, a military doctor from the modern era, has reincarnated into a stupid sixteen year old girl?

She stupid? Then she’ll stupidly hit Qi* wang! Fortune favors fools! How about changing a husband to play with? What is Qi wang? She heard that You* wang was the world’s most beautiful man! Sleep, of course one must sleep the world’s number one beautiful man! Marry, of course she must marry the man all the women in the world want to marry!

But, isn’t this man too black-bellied? There was no need for her to even think about it for the man voluntarily presented himself at her door and used all sorts of wiles and methods to marry her as consort! There’s a conspiracy! Then come! And see how she sees through the subterfuge and completely demolishes it.

- Description from Novelupdates

Apollo Kaiser, a boy who bore the unlucky fate of being unable to grow strong, was condemned by his family.

Discarded by his mother and abused by others, Apollo gives in to his rage.

However, this action results in his death. Many would believe it to be the end, but Apollo's death was a required catalyst.

The Demon Monarch System finds its heir and attaches to his soul, bringing him to a new world where he starts his journey to supremacy.

This difficult journey rife with conflict, conquest, and brutality shall serve as Apollo's temperance.

Watch as the heir of the Demon Monarch rises above all, conquers Sin, subjugates unthinkable enemies, and even brings about the destruction of worlds!

The rise of the next Demon Monarch begins...

In the year 298 from the era of the gods, elementary school girls Sumi Washio, Sonoko Nogi, and Gin Minowa are tasked with an important mission. They are to become heroes and fight Vertex, a mysterious enemy that is attacking Shinju-sama, the god tree that protects Shikoku, the only area in the world that is still habitable. What they don’t know, is that this fight will cost them more than they could have ever imagined.