Naruto: The Prince of Lust - Chapter 246 -

With the sudden announcement of the launch of the holographic virtual network, Chen Mo, a hacker, received a special commission to hack this system in a bid to halt advancement.

There is no battle qi or magic here, only the royal beasts that have multiplied to the peak!

After time travel, Chen Mo awakened the talent of the entry training manual. After completing the challenges, he could endow spirit beasts or himself with various entries, so unscientific spirit beasts were born in his hands.

[Bronze wall and iron wall · Indestructible · Rough skin and thick flesh · Best meat shield · Yuan

A super-meat fox that is immune to…]

[Soul Singer·Actor·Popular Idol·Elegant…] Soul Diva.

[Master of fishing, master of throwing pots, clown, hard-mouthed…] the apostle of misfortune.

Ghost Assassin, Lurker, Son of Light, Fengshen Beloved, Phoenix, Emperor Ou…

【No Heroine】【Not Dark】

The introduction is weak, please move to the text.

Authority for Magical Creatures: 811296620

- Description from novelbuddy

The Apocalypse is in full swing. Defiled - powerful creatures corrupted by the Great Collision - prowled the lands in search of prey. Unfortunately for them, the human race had long since retreated behind the secure walls of the Sanctuary of Everlast. During one of his regular excursions outside the Sanctuary, Alden is separated from Celeste. - his childhood friend and crush. In that moment, he came to regret never summoning the courage to confess. Somehow managing to survive thanks to some trickery, Alden awakens as a mage. Instead of receiving a normal power, he gains the ability to decay. What’s more, during his ascension, he received a vision from his future self advising him not to trust the Asterons - celestial beings who had saved his race from inescapable doom. Normally... such a revelation wouldn’t faze Alden. However, there was only one major problem with the declaration, though. Celeste was bound with an Asteron. And not just any normal Asteron... She had made a pact with one of the Divine Sovereigns.

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.