A Hentai System in the World of Danmachi - Chapter 246 - 245 - 3,000.

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

The world is a place full of mystery, and many ordinary people live their entire lives without ever glimpsing even one percent of its truth.The fate of one family was destined to be average until one rainy night, when a family member arrived at the newly married couple's door with a child born out of wedlock.Terra was about to undergo an upheaval because... the strongest was born!---------------------This is the story of Kaizer Lunin, a young man born with a special ability that causes him to suffer from mild antisocial personality disorder.A brush with life and death awakens this power fully, turning him into one of the strongest Espers in the world!However, this also thrusts him into the hidden parts of the world, where secret societies, powerful factions, and the government clash in their bid to claim the empty title of 'strongest Esper'—a void left by a certain someone.And maybe, if he doesn’t die prematurely, Kaizer has a shot at that title himself!

An amazing world of cultivation. A majestic world where miracles happen. There is a warrior who defies destiny and forge his own path facing innumerable difficulties ahead.Come and join the life of the person who will go against the set destiny of the cruel world and become something extraordinary.=====Extraordinary my foot. What is this illogical cr*p? Does it even make sense?If you are doctor, then work in a hospital. What the hell are you doing going after girls?If you are a commander in the army, then bring your army to get revenge on those who wronged you. Why go through the trouble of pretending to be a weakling.You are a useless son in law? Your wife's family thinks you are good for nothing? Then how the hell did you score her in the first place?!!! If they like money so much and you are a hidden millionaire, then why in the name of sanity would you hide this fact and be berated every day?!!!The hell is all this?!!! The more I read it, the more illogical it becomes. Like this all came straight out of someone's as--[Host, why don't you calm down?]'You shut up!!! You're the reason I'm stuck here in the first place!!!!'[Host, you need anger management]'THE FU*K DID YOU SAY?!!!!!'

The world is vast, and the way of immortality is insignificant. The supreme being in the Nine Realms is called ‘Tianzun’.

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ps: genius flow! No system!

- Description from novelbuddy