Douluo Dalu 2: The True God King - Chapter 13: [DD2]:

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.

Ashley Gusman, a determined young Filipina, was driven by her sole ambition to provide a better life for her family. She was willing to go to great lengths to achieve this goal, even taking on the role of a surrogate mother for a Billionaire Heir.***~***CEO Tanaga Jones, who needed an heir for his empire, was adamant about not wanting a wife. Ultimately, he contracted with a woman to bear him a child.

The world is governed by the Seven Legendary Heroes, their authority absolute and unchallenged even by their own descendants. They manipulate the world and its people according to their whims.Jonan, son of one of these legendary heroes, discovers his affinity with crystals and mastery over flames, yet lacks skill with weapons, which brings shame upon his family. As he delves deeper into the dark secrets connecting the heroes' power to the rifts and an ancient evil lurking, waiting for the right time, Jonan must move forward with unwavering determination.

When you get to the other world, you acquire new properties, there is no limit for your achievements and you become an overlord…Welcome to my world…

- Description from Novelupdates