MTL - Law of the Devil - Chapter 585 [Wind rolls like a knife]

His mother kidnapped by the Ice God Pagoda at a young age, Nian Bing grew up travelling with his father, avoiding pursuit. One fateful day, he was forever separated from both his parents and inherited two immortal treasures from them, the Ice and Snow Goddess’ Stone and the Flame God’s stone, allowing him to use ice and fire magic in harmony, a feat unheard of. Taken in by a former chef of legends, once known as the Demon Chef, he creates legendary cuisine while walking the path of vengeance!

- Description from Novelupdates

ASSEMBLE, DRAGONS!Meet Daniel, a young man from Earth who, after his death, was summoned by a God called the Devouring Dragon God.The Devouring Dragon God gave him a chance to be reborn in another world—not just an ordinary world, but a fantasy world filled with dragons, phoenixes, magic powers, cultivation, and more. The kind of world no novel, anime, or manga fan would want to miss—and neither would Daniel.But nothing comes for free in this life. In return, the Devouring Dragon God wanted him to avenge the extermination of the Dragon Clan.And the enemy? The one thing everyone fears, the very name that makes all beings tremble—Gods.At first, Daniel refused. But the Devouring Dragon God simply said, “You either sink into oblivion or accept your fate.”With no other choice, Daniel agreed. In exchange, the Devouring Dragon God granted him three wishes.After being reborn, our idiotic MC expected everything to be under his control. However, after facing the harsh reality of this world, he was forged anew.Witness the epic rise of the Devouring Dragon, the last dragon, the one whose name spreads terror among Gods.The one who single-handedly rebuilt the Dragon Clan.The one whose name strikes fear across universes and the cosmos.

The older young Lisko woke up and found that he had become an American. He took over his father’s ranch and began to live in the United States.

- Description from novelbuddy

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.