MTL - Night of the Nine-Tails, I Punch the Tailed Beast Ball - Chapter 481 Brain supplement

The world changed the day that cracks appeared in the sky– suddenly monsters named『Demonic Beasts』appeared and began to rampage, attacking people.

Meanwhile, girls called『Magical Girls』began to appear to counter the demonic beasts. As they defeated the demonic beasts, gradually people’s lives gained a semblance of composure.

–but when there is light, there is also darkness.

In the corner of an alleyway, a boy who had been attacked by a demonic beast was dying. His voice begging for help did not reach anyone and his body refused to move.

「Boy. Do you want to be saved?」

Looking into the boy’s face, a black cat began to speak to him.

The boy nodded firmly to the devilishly sweet invitation, in response the black cat mocked him.

「Is that so—then I’ll【Haunt (Save)】you」

—on that day, a『Magical Girl』was born in a place that no-one knew.

『She』never laments, no matter what the future may bring.

Transcend to become the prince of Daxia, activate the Devil Emperor Summoning System, summon the powerhouses from other worlds, and fight for hegemony in the heavens!

If I were the Devil Emperor in the future, I would definitely let your blood stain the sky!

- Description from novelbuddy

Marcus just used to be a regular old university student but after dying an unfortunate death he now finds himself at the whims of a delusional god.As punishment for his sins (Leaving a 3-star review on a god's novel), Marcus is transported into that novel as Lucius, a crazy rebel leader that wants to destroy society and rebuild it as he sees fit.If that was the end of things then it wouldn't be so bad, but apart from all that Lucius is tasked with the job of capturing the hearts f all the heroines or he will suffer painful and gruesome death!With his back against the wall and life on the line, Lucius must get to work.[Ding! Heroine capture system online!][Steal a kiss from the heroine’s lips- 500LP][Ask the heroine if you can cop a feel- 700 LP][ Spend a hot and steamy night with the heroine- 5000LP]It's not that he wanted to do it, it's just that his life was at stake!He really did not want to NTR the protagonist!

Born with the fate of a slaughterer, but all he wanted to do was help.