MTL - Disassembling System: Begin With Scrapyard Alchemy - Chapter 197 drink wine

To treat her sick brother, she was forced to marry him in place of her cousin, who was disfigured and paralyzed. At first, their relationship was purely transactional, with neither caring much for the other. But after going through a lot together, they fell in love with each other. He doted on her deeply.She was considered an ordinary person by the world, but it was later discovered that she had multiple identities - a mysterious underground boxing champion, a highly-skilled doctor, and a mysterious and renowned composer... He also realized that their fates had been intertwined long before they met.

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 generation after the last Great War, the world prospers while leaving the BloodStar Empire sequestered and alone. However, things begin to change as the next BloodStar heir aims to make new allies in a world more willing to forgive her empire’s tragic past of violence. The beautiful and young Xenia BloodStar is a world-class beauty, a calculating politician, and an immensely powerful ki user. In an established world ruled by Master Families, will the Princess BloodStar use her beauty and power to elevate her empire on the world stage? Or will she follow in her mother’s footsteps of violence and war?Release schedule: At least one new chapter every Sunday at 9:00 AM CST. Thanks for reading :)

On the surface, he is the aloof and standoffish patriot whose sole purpose is to serve the nation. On the darker side, he is an invincible, powerful and mysterious man.