12 Miles Below - Chapter 1Book 3. :

Lu Chengye’s dream was to live freely and have fun until he died. Unfortunately, he inherited a company and was worked to the bone!

After finally taking over the company, he had just prepared to begin his carefree life when he was hit by a car and died. His last thoughts were that it would be much better not to be human in the next life.

And so, Lu Chengye was reborn as a Labrador.

- Description from Novelupdates

Kael Veyne was betrayed, hunted, and left for dead in the depths of the Abyssal Dungeon.As an infamous assassin, he was the empire’s deadliest shadow—until the day his guild turned on him.Ambushed in the Abyssal Dungeon, his body was torn apart, and his soul was consumed by the abyss. But death was not the end.He reincarnates 25,000 years later with the Devouring Bloodline System. Kael awakens in the body of a noble scion sharing a similar name to him, and his very essence fused with eldritch power.With every kill, he absorbs primal energy, evolving into something far beyond human. Monsters, mages, mancers, knights, assassins—nothing is beyond his reach.

[No heroine, no emotional line, no ambiguity, a lot of private settings, a comprehensive world view, I am an organization. 】

[There is a story about an undercover police officer with real wine, there is a possibility of death for the red party, and both Bourbon and Scotland are real wine]

“Name.”

“Osamu Dazai.”

“gender.”

“A man without a doubt.”

“age.”

“14.”

“The code name of the Black Organization.”

“Cahor.”

“Why did you join the Black Organization?”

“Well, because I’m the adopted son of that gentleman.”

[This article is also known as Osamu Dazai of COS. I recognized a thief as a father in the Conan crew. I am not disqualified in this world. I am full of fighting skills. I appeared in Japan the next second at the comic exhibition and became a three-year-old slaughter]

[There will be other vests. ][The elegant party and the gangsters stay away from me][Writing to play, don’t gangster]

- Description from novelbuddy

Nagi who was summoned to another world acquired the「Skill Structure」skill.

Nagi felt the hints of black job from the king’s request 「To defeat the devil king」. He leaves the castle and starts his journey with a slave girl.

The small demon girl Cecyl, the melee-fighter beast girl Rita , Aine the onee-chan maid, Regii the cursed sword.

Rafiria the warm and fluffy elf and Iris the sea dragon shrine maiden.

Nagi rewrites the girls’ skills and made them into 「cheat characters」one after another.