Maou-sama no Machizukuri! ~Saikyou no Danjon wa Kindai Toshi~ - Volume 1 Chapter 7

The king of assassins was reborn, mastering both alchemy and poison. Sitting inside the space, there was a ghost that loved crying.

Buying a sickly boy for a hundred gold coins, becoming the master of half a country for no reason.

On their wedding night. She slightly hooked her jade finger, “Come here.”

The man tried weakly bargaining, “Can I redeem myself?”

“No!”

“Can we wait for the bridal chamber tomorrow?”

She cast a cold gaze, “Give me a reason.”

“I…..My period is here.”

Her head was covered in black lines, “Do you think you would even believe that!”

After four hours——

She weakly said, “I can’t go on anymore, wait until tomorrow.”

The man revealed an evil charming smile and turned her over before pressing down, “Want to run? Too late!”

- Description from Novelupdates

Just as Ye Fan got dumped by a gold-digger, he received a call from the hospital. Little did he expect that, ten months ago on one fateful night, he and his crush Bai Susu did something unspeakable… From that moment on, he embarked on the path of a doting dad… Pampering his wife, spoiling his kids… Unlimited affection!“Hello, Mr. Ye Fan, your wife is about to give birth in the hospital, hurry over to sign the paperwork!” An urgent voice sounded from the phone.“What, what’s going on, kid, and wife?” Ye Fan was utterly bewildered at that moment.… Just got dumped, then his biggest crush came knocking on his door.From then on, he embarked on the journey of spoiling his wife, spoiling his kids, unlimitedly! They had a grand wedding, everyone in town joined in the love fest! As the saying went, good things should be shared together, not alonel! So, let’s all enjoy the love fest together!

My talent can be said above average but for my family I am useless. Six years after the incident that I caused I accidentally created a system.Now I wonder if I will fail again....with my new power I will make sure my cute little older brother, sister and especially my Father will pay the price of creating a monster.... Me

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.