The Problematic Child of the Magic Tower - Chapter 121

“My daughter will kill me.”A poor man, exhausted and overwhelmed by debt, dies and finds himself in his favorite novel as Arzoth Draven—the character he despised the most. Arzoth Draven is the infamous prince who constantly tries to undermine his brother, Evren Draven, the story's main protagonist. He abandoned his illegitimate daughter in a basement, only to be killed by her years later. Now, having transmigrated into the role of Arzoth Draven, can he avoid this grim fate? And on top of that, he also possesses a system.

Doomsday Online has descended, reducing the entire Earth to a ruined playground. It is occupied by countless terrifying monsters.

Want to get super vision? Then let’s get some eagle blood.

Want to get super power? Blood of the Bear works great.

Are you going to surpass humans? Exactly, I have vampire blood here.

Do you want to be the ultimate creature? Very well, I have a drop of the blood of the ancient gods here.

…………

Become the headless mayor of the ancient, chaotic city of Arkham, where the gods breed.

Starting from blood therapy, Ross built an extraordinary shelter, a forbidden library, and a museum of the ancient gods.

Ross: We Arkham are full of talented people, and our folk customs are simple, hey! Don’t run! Haven’t visited Arkham Sanatorium yet!

Farming flow, invincible flow, behind-the-scenes black hand flow, Cthulhu.

- Description from novelbuddy

Oosuki Masato is an ordinary high school boy who is magically transported to an alternative world, but for some reason his doting, over-protective mother comes along as well.