Rebirth of the world disaster

At the age of 6, I killed my parentsAt the age of 8, I killed my first animal and continued to kill moreAt the age of 12, My big sister found out and told me not to kill innocent people only those who deserved death, I should killAt the age of 16, I was sentenced for 5 years in prison for killing a rapist, sister died by disease and my little brother was bullied and killed himself because of meAt the age of 21, I was released and found out a game called, Fantasy OnlineAt the age of 23, I became famous and killed more NPC and Players Monsters and famous guild tried to hire meAt the age of 30, I was betrayed by my guild and died in realityand The story hasn't ended as he reincarnated to the day where his sister found out his lust for murder