One Piece: Madness of Regret - Chapter 10: Recovery, Whales and The Deep Dark Blue(1)

Nine Realms Sword Emperor, a legend returns, leveling everything.Genius monsters, trampled underfoot, powerful beings, wiped out with a wave of a hand.If people do not offend me, I will not offend them; if people do offend me, annihilate their entire family.

Liu Yan, an ordinary office worker from Earth, unexpectedly traveled to a strange world.

The heroes of the ages are on the side, embarking on a journey to conquer the heavens.

- Description from novelbuddy

Hiding in the Cold Palace and eventually becoming a Boss of Sorts. Li Mu was transported to a fantastical world and became a measly eunuch of the State of Xia. Despite having initially thought that his life would be a miserable one, he had unexpectedly acquired a check-in system.

Introduction (2): Beautiful girl’s exclusive car, street supercar, hardcore off-road, thugs in suits, small steel guns, urban SUVs, golden collar favorites, tool cars, irritable pickups, grocery shopping cars… car explosions, passionate racing , practice second-hand cars, everything here.

Introduction (1): Secretary: “Mr. Zhang, this quarter, the sales of used cars increased by 250% month-on-month, and the sales of new cars increased by 380% month-on-month. The profit of car modification, repair and other businesses also hit a new high.”

Zhang Chen: “Okay, hard work, give one million yuan to each reader who supports this book.”

PS: This book is in the third person. 1 and a half female lead.

- Description from novelbuddy