In a Reincarnation Loop: Surviving as the Most Overpowered - Chapter 33: Epicness: Dark Berserker

The master Xiuxian failed to cross the calamity, the soul came to the earth, and became a waste fiance of the school flower. The school fiancee wants to force him to remarry, the hypocrite and uncle who is greedy for money fights for his family property, one indifferent killer kills his life … Grandpa’s disease must be cured … The proud family’s family must learn martial arts with him … These problems are being cultivated Master Lin Mu is not a problem before him!

- Description from 69shu

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

My talent can be said above average but for my family I am useless. Six years after the incident that I caused I accidentally created a system.Now I wonder if I will fail again....with my new power I will make sure my cute little older brother, sister and especially my Father will pay the price of creating a monster.... Me

Traveling through the world of Detective Conan, Chi Feichi was sent to the hospital.

Tuesday.

Doctor: “What day is tomorrow?”

Chi Feichi: “Wednesday.”

Doctor: “Cough, tomorrow is Friday.”

Chi Feichi: “…”

August 21.

Doctor: “What day will it be tomorrow?”

Chi Feichi: “August 22nd.”

Doctor: “Cough, tomorrow is January 1st.”

Chi Feichi: “…”

When everyone thinks that the chaotic time is correct, and one of them cannot correctly identify and integrate into it, then this person is an outlier, a patient!

Once admitted to the hospital, it is as deep as the sea, and it is impossible to recover in this life.

Chi Feichi took a deep breath: “Old! Son! No! Do it!”

- Description from novelbuddy