Kumo Desu ga, Nani ka? - Final Battle ⑤

[A Douluo Dalu 2: Peerless Tang Sect Fanfiction]He awakened a unique martial soul and forged unfair contracts with soul beasts.Born in obscurity, he rose as a formidable overlord amidst the chaos.He suppressed countless prodigies of his era, his talent unparalleled.He is the true Beastmaster King, the ruler of all beasts.In the shadows, he gathered strength, advancing step by step, until he reigned supreme, unifying the continent.Whether human or soul beast, he would make all beings submit and become the sole sovereign of the land.Ending the turmoil, bringing order to the world—he would ascend to the highest throne, standing above all in an era of chaos.[Multiple love interests, no simping, mastery of strategy, seizing every advantage]

This was the era of worldwide auto transformation!At the age of eighteen, everyone could awaken their autos and become auto men!Some awakened off-road vehicles, some awakened sports cars, and some awakened bicycles!By defeating the steel beasts and mechanical abyss monsters, unlocking achievements, and completing missions, one could earn point rewards to purchase various accessories such as firepower, armor, energy, and power cores!Xu Gu transmigrated here and started off by awakening an S-class heavy truck! Unexpectedly, he even had an additional binding to the Ultimate Enhancement System.[S-class heavy truck] got enhanced and became [SSS-class Leader, Optimus]![S-class liquid hydrogen energy core] got enhanced and became [SSS-class portable hydrogen fusion energy core]![SS-class defense force field] got enhanced and became [God-level Supreme Domain]![SSS-class photon pulse cannon] got enhanced and became [Super God-level Annihilator Cannon]!Starting with the Ultimate Enhancement System, with the body of an auto man, Xu Gu conquered the world, dominated countless realms, and proved his invincibility!

The idiot Long Gen pretends to be a pig and eats a tiger, takes advantage of the girls in the village, travels across the countryside and forests, monopolizes the beauty and coquettishness, and achieves the legend of “Dragon Gen”. There is a widow in front of the door leaning on the door to watch, and a sister-in-law next door looking through the screen window… This book is determined to be a stallion, with the goal of pushing down and being pushed.

- Description from novelbuddy

Crossing to One Piece world, he became Roger’s younger brother.