Matan's Shooter - Chapter 918

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

High school student Mikoshiba Ryouma was summoned to a different world in the middle of a war. Sensing the malice from the one who summoned him (a summoner of the O’ltormea empire), he uses his martial arts to run away, killing important people of the empire during his escape. After the escape, he rescues two twin sisters from the hands of thieves. The sisters who can use magic, swear to serve him as subordinates. Thus, Ryouma begins his journey on the path of the supreme ruler.

Gradually, he found that he couldn’t leave this adorable kid, as well as his beautiful and stubborn mother.

Xia Xingcheng was about to get engaged to her childhood sweetheart, but her vicious half-sister, the daughter of her stepmother, set a trap for her out of jealousy. After a nightmarish night, her fiancé thought that she had cheated and canceled the engagement. Heartbroken, she chose to go abroad alone for a living.

Five years later, when her father threatened her with her grandmother’s health and forced her to return to attend her sister’s wedding, she had to come back with her four-year-old son. Although the child had been accidentally conceived, he was the only comfort during struggling to survive abroad. Coincidentally, they had run into the child’s father, Mr. Sheng, on the plane. But neither she nor he was able to recognize the other. However, perhaps blood ties were that mysterious, the kid sensed that this handsome and powerful man was his father! Although she had never thought of looking for the child’s father, fate had arranged for him to appear whenever she was about to be harmed by her shameless family. Gradually, he found that he couldn’t leave this adorable kid, as well as his beautiful and stubborn mother.