Roaring Dragon - Chapter 75: Tracing the Clues

Sheng Jiaoyang, a scumbag full-level disaster, turned on the fast-passing mode after overturning the car, and happily worked in various worlds.

As a result, accidentally, they all turned into snake spirits.

The playful son on campus, the eldest young master of the wealthy group, the cold and paranoid hero, the playboy of the game world, the noble and cold monarch of a country… These are supposed to be the proud sons of heaven who should have a smooth life, but they all met Misfortune floods Sheng Jiaoyang.

Jiao Yang spread his hands helplessly: “Everything, what if your host is too charming?”

System: “…Just be happy if you’re happy.”

- Description from novelbuddy

Ron finds himself reborn in the world of One Piece, stranded on a remote island in the East Blue. But he's not just any ordinary child—he’s bonded to a mysterious sign-in system that grants him powers with every new location he visits.At his first sign-in, he unlocks the legendary Sun Breathing Technique, along with a boost to his vitality. From Shitmotsuki Village to Skypiea, Enies Lobby to Marineford, Ron travels the world, collecting extraordinary rewards that make him a force to be reckoned with. The Raikiri, one of the 21 Great Grade Swords, Armament Haki, Observation Haki, and more fall into his hands.As Ron steps onto the battlefield of Marineford during the legendary Summit War, the mightiest warriors—Four Emperors and Marine Admirals alike—pause, stunned by his presence. But Ron merely waves them off, “Don’t mind me. I’m just passing through.”Join Ron on his journey across the Grand Line as he signs in at iconic locations, growing stronger with every step. This is not just an adventure—it’s a legend in the making.

Roy’s life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
…
It’s really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

Forced to bind the cannon fodder system by the Lord God, Mu Yunge was abused to the point of doubting her life, and she vowed that one day she would counterattack the Lord God and avenge him!

But after her anti-control system returned to the old world, whenever her acting skills exploded and she was about to torture the hero and heroine to death, there was always a strong villain Boss, who frantically expressed her love to her!

The villain, I’m just a cannon fodder, okay? Please let go!

In this regard, the villain said domineeringly: You have only two choices, be my daughter-in-law, or let me be your husband! Other than that, you have no choice!

- Description from novelbuddy