Rebirth in One Piece as Deputy Captain - Chapter 503

Being given a chance and reincarnated is nice and all, yet why do I have to become that male friend who just watches the protagonist flirting with his harem?---World: Kaguya-sama: Love Is War - Hyouka ----

The 7-year-old little crybaby met 11-year-old big brother who ran away from home.
[This man became the protector of redemption in his life]

The 16-year-old little dragon fell in love with a 20-year-old big brother.
[It’s a pity that the big brother didn’t recognize him as the little crybaby]

The 23-year-old single father and 27-year-old chief executive meets again.
[This time the little crybaby and his big brother are finally together]

Fortunately we met through hundreds of millions of people, Thank God, for letting us break through many obstacles and get back together again, falling in love with you and being with you again is the greatest fortune in my life.

- Description from Novelupdates

This is a story about a badass,

The Bootlicking Antagonist Wants to Survive, but Female Lead refuses to follow the plotOne car accident and I’m transported into a city power fantasy as the villain. As long as I survive until the grand finale, I can return to the real world with hefty rewards. But! These stunning beauties don’t go to serve as the protagonist’s harem, they surround me every day. Are they not satisfied with how slowly I’m dying? Stop wearing stockings, stop wearing uniforms, what’s with all of you trying to seduce me? To find Long Aotian! Since destiny is in my hands, I might as well challenge the protagonist directly! Who’s the protagonist, damn it, who knows!