After Giving up, the Fake Young Lady Was Group-Pampered - Chapter 28

Crossing into the world of Naruto, and acquiring the One Piece system, with all the powers of the world of One Piece, swordsmanship, devil fruit, domineering.

-Do you think that your fire is very powerful? I have the burning fruit.

-Do you think that your thunder is very powerful? I have a thundering fruit.

-Do you think that your otter is very powerful? I have the frozen fruit.

-Did you said you want to die? Don’t worry, I also have a nickname: Death Doctor.

- 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.

Freshman orientation season.As a third-year senior, Xiao Fei regularly comes to the school gate to welcome new students.Unexpectedly, he accidentally runs into the new goddess teacher, Tang Yuxin, and discovers that she is actually the girl with whom he spent a night in a hotel a year ago.What surprises Xiao Fei even more is that Tang Yuxin is pregnant with his child.And not just one child—three!Thus, the two begin a shameless cohabitation life right under the eyes of the students…

Defiance of natural order of a single young Dragon soul.