I've Got A Mana Processor In A Magic World - Chapter 16: Deficiency

As a reward for preventing the assassination of the current king, Rou Coral is rewarded with becoming and escort of the Royal Princess Reaina who the boy adores so much. Thus begins his new life of servitude under his beloved high-headed Princess full of happenings and happy little accidents. Surrounded with Busty Head Maid, young Loli Princess and a Childhood Friend Maid, for the boy knight today is yet another day of struggle in this womanly paradise!!

Jin Yang received a birthday present at the age of 20. He received a baby wrapped in a blanket and placed it in a box. The paternity test results told him that this was indeed his child.What? What did that happen? In Jin Yang's memory, he had never had sex with a woman. How did this child come about?Lin Shenshen had gotten pregnant before marriage and was despised by her family. She had liked Jin Yang for many years, but one day, she disappeared. She would never pester Jin Yang again and stop him from getting close to other girls.Jin Yang gave the child a name. He realized that this brat was very smart, but his personality was becoming more and more like the girl in his memory.Six years later, at Lin Shenshen's lowest, Jin Yang found her along with his son.“I'll find you a beautiful stepmother.”“What about my own mother? Is she not as pretty as this young lady?”Lin Shenshen picked up her son and kissed him on the cheek.“Where did this child come from?”“Baby, let Mommy tell you—you were born in Mommy's dream!” The couple, Lin Shenshen and Jin Yang, kept teasing the little kid.Jin Yang, “Honey, why don't you elaborate? How did you give birth in your dream?!”

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Lin Li accidentally enters another world while playing with his smurf mage account just after he maxes out all kinds of crafting skills, bringing with him various top-grade materials. Although his character is practically powerless, what he gains in return is unprecedented magical talent! Can he survive by himself after being thrown into another world?

- Description from Novelupdates