Rebirth in One Piece as Deputy Captain - Chapter 4 Devil Fruit

He is the heir of Di Hao Group; decisive, cold-blooded yet dotes on his wife a little too much.

Though he received the skills necessary to teleport across worlds, the king who performed the summoning ritual attempted to trick him into wearing a slavery collar, this annoyed him so he kidnapped the princess and returned to Earth.

With his engagement at hand, the most terrifying and legendary person of the legal world, Fu Huai’an, returns with a son.

Before the engagement…

He asks, “Since you love Wen Moshen, why are you in my bed?”
She says, “Because I cannot watch idly as Wen Moshen’s woman enters an engagement with you.”

With a cigarette in Fu Huai’an’s mouth, he crosses his legs. Across the light cloud of smoke, he squints his eyes—watching as Lin Nuan’s slim arms wrap around his neck; he feels stirred.

So a person can love another so passionately.

“You call what you did a kiss?”
“…”
“What a pure lady!”

Fu Huai’an spews out a cloud of smoke and snuffs out the cigarette. With a mellow voice, he says, “Let me teach you what kissing is!”

But, what he teaches Lin Nuan doesn’t seem to be only a kiss…

- Description from Novelupdates

Ever since she transmigrated, she was blessed with an inbuilt anti-poison detector.