One Piece: King of the World - Chapter 21 - : What a Coincidence

What if your own father and his mistress were behind your mother’s death? What if you were about to be sold off to a scumbag?

What would you do? In the nick of time, a tall, rich, & handsome guy descended from the sky and came to her rescue with a piece of contract.

Xin Qing glowered at the man before her. At first, she had thought of him as her Prince Charming, in the end, he turned out to be an evil demon.

“You’re not allowed to go. You can only marry me!” the man said viciously to the woman who was about to leave.

Xin Qing sneered. “Isn’t the ancestral behest the only reason you’re keeping me around? I’m just your tool.”

He said, “Who told you that?”, his eyes filled with profound emotion.

“You’re the mother of my child!”

- Description from Novelupdates

“Young man, your chastity was lost.”

“Σ ( ° △ °|||)!!”

Give up your virginity to save the world! Our motto is–” “I didn’t think it would be bent, la la la la la!”

- Description from Novelupdates

Lin Yun's life is in shambles. As a widowed single father, he's struggling to connect with his teenage daughter, facing a midlife crisis, and battling a painful shoulder condition.But when he discovers his daughter is a magical girl - fighting monsters and saving the city in secret - he's forced to confront a whole new set of challenges.As he grapples with the dangers of her secret life, Lin Yun must also confront his own purpose and what truly matters to him.Will he be able to support his daughter while finding his own way forward in this heartwarming tale of family, love, and self-discovery?

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.