DxD: Matsuda? - Chapter 57: Pass The Popcorn?

[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

Westheid transmigrates into his favorite game. Just as he's overwhelmed by happiness, he finds that the female protagonist whose families are all killed by Chaos is calling him.“Brother, please eat. Don't just space out. Did you get enough rest last night? There's a social ball at the Holy Tree Palace today.”

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

Admist the turmoil of a blood-soaked battlefield, General Hua Ren was perched on a horse, his once-pristine uniform now a canvas of rebel bloodstains. Lifeless bodies, a macabre mosaic of soldiers and rebels, lay strewn across the ground—some severed, others trampled beneath the hooves of horses.In the distant backdrop, a bomb erupted, rattling the battlefield, and in that fleeting moment, the General detected the scent.His Alpha.His heart raced as his gaze locked onto the most frigid, intimidating eyes he had ever encountered, and a sinking feeling gripped his stomach.Sheng Fei, leader of the rebellion, stood tall amidst the chaos, a sinister smirk playing on his lips. In a chilling display of power, Sheng Fei swiftly ended the life of a soldier, his eyes never leaving Hua Ren.The stark reality unfolded before Hua Ren, solidifying the bitter truth that their connection was entwined in the threads of enmity.He could never be the Omega to a Rebel AlphaOr so he thought.