Yama Reborn - Chapter 604 - 601: It’s Breathing!

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

[No fixed CP + wear books + brain hole cool text + women disguised as men + group pet]

Gu Lan crossed over and became the cannon fodder of the original book disguised as a man, counterattacked the protagonist of the original book who slapped her face, and lived in a dormitory full of sickly beauties.

Until one day, she discovered that her roommates were villains from other horror novels. After discovering the secret, Gu Lan thought she would be killed, but her roommates all looked at her strangely… Contrasted with cute Zhengtai, sickly and beautiful boy, split personality school girl, cold and stern school bully, romantic and noble son who plays Shura every day field.

- Description from novelbuddy

Year one of the New Era, the Demon King was defeated by the Hero, divided into thirteen parts, and sealed all over the world. Only the soul can reincarnate and be reborn.Year sixteen of the New Era, in the tavern of a small town on the border, a young maid named Mohe sees a middle-aged man who only brags to deceive people for drinking money. However, she knows better than anyone that he was the Hero who defeated her and split her into thirteen parts.“The former Demon King is now wearing maid clothes and working as a server here?”“The great Hero sir, instead of being affectionate with your harem group, you bark here like a stray dog, deceiving for food and drink. How is that different from a beggar?”

In the City of Crime, one law stands above them all: Only the strongest can live.