You Practice Immortality, I Farm - Chapter 19: The Four Levels of Qi Training (seeking further reading)

A former sporting rifle shooter genius transforms into the ‘Juvenile Butcher’. While originally supposed to have received the death penalty, he was instead fortunate enough to have entered a secret and highly regarded armed force, throwing himself into the ‘Nirvana Project’.

The story is about a a hitman, Who dies because of his own recklessness and transmigrates into a game he used to play after his retirement as a hitman.I'm not gonna spoil any further, but i might answer few of your questions.Is MC overpowered?Nope, he'll become strong over time and all battle he'll fight will be because of his effort and techniques.Is there magic and adventure?Yes! It have both magic like normal isekai with adventure and fighting with monsters and many other things. There are other important things like “Essence Stone” But let's talk about it in the chapters.There will be harem?Not really, He will be in contact with many beautiful female and males but one waifu but i haven't decided yet.All i can say is, give it a try, I'll try my best to make it worth your time.

An ordinary high school boy named Max is in his basement watching porn and masturbating. When suddenly, a pop-up ad covered the whole screen!

“Welcome to Eclipse Online, the most lethal full-dive MMORPG on the planet, where there is only one life. Death is permanent, and each choice has a price the fragile world cannot afford. But for one of its players, the rules are about to be rewritten”.Following a fatal attack of the dungeon, he discovers a hidden room with a horrific inscription: he has been made the Eclipse Reaver, fated to tread the game world eternally.Each time he dies, he is resurrected, but at a horrific cost: shattered soul shards erase his memories, emotions, and abilities.As the game universe descends into chaos and its top players fall, he is forced to explore the dark conspiracy of Eclipse Online before he too is lost for good.With gory fights, shifting game mechanics, and a mystery thickening by the minute, never has the pressure been higher.Will he overcome the system, or lose himself in the void? Will he manage to retain his sanity, or be one of the many lost souls in the void?