One Piece: Supreme Check-In System - Chapter 46: The World Shock

Xia Lian, a 21st century military doctor died in an explosion and found herself transmigrated to the body a 12 year girl. Her mother died and her father abandoned her and her little brother for another woman.

He was a Martial Arts prodigy, a master of using poisons!He descended the mountain to search for his junior sister but unexpectedly became the School Beauty's bodyguard… From then on, a demon-like student was born! He pursued the School Beauty, took down bullies, and was revered as the supreme ruler of the city! He cultivated Ancient Martial Arts, annihilated formidable enemies, and swept across all directions to ascend to the Peak.

Jian rue gazed back at the ugly gray alien while stumbling and running. he clumsily tossed a stone at it “Fuck just leave me alone!!!”Suddenly a warm pair of hand grabbed his waist and tossed him over a study shoulder.“Xing yu!! let me down! you fucker!!!”The said man chuckled and playfully smacked his butt. “Honey, I'm saving your life~”“I had it under control. Now, let me go!” Jian rue bit his shoulders hard until the sweet taste of blood filled his mouth.“Hiss.. baby, you're making me hard~”Jian rue froze. “W-why are you following me! why me..”Xing yu stopped running, and with a swing of his sword, the ugly tentacle alien was slayed. He gentnly pulled him down and hugged him close. Peering into his eyes, he smirked, “Because you are my betrothed,”

(following the boat) When a person who can get random superpowers every day enters the world of pirates and joins the protagonist group, what will happen as a result?

Luffy: “Si Guoyi! Lin Bei, let’s jump from the sky again!” Kebi: “Please don’t!” Sauron: “Be sure to leave Lin Bei’s room at twelve o’clock every day!”

Nami: “This bastard, just let me…” Akainu Sakasaki: “Bastard Lin Bei, turn me back into a man!

The old lady used her ability to come to her aunt once! “Big” boys, come and meet your father! “Lin Bei:!!! This really doesn’t exist!!!

- Description from novelbuddy