My Accidental Husband is a Billionaire！ - Chapter 614 Senior Sister of the Freeman Sect!

As the last abyssal demon in the world, Wen Long was pulled into various worlds to do tasks by a guy who claimed to be a system. The goal of her mission was to save those villains who had been blackened for various reasons…

- Description from Novelupdates

When Lin Chu met the ridiculously rich and affluent Yan Beicheng, she did not expect him to act like an immature hooligan, shameless in every way whenever they bumped into each other. Yet, every encounter had him come to her rescue, from saving her from the humiliation of watching her ex-boyfriend marrying her adopted sister, to whisking her away from petty colleagues and lecherous clients.Whether this is true kindness remains to be seen, as he never forgets to take advantage of her whenever he can. Is there something between them or is he just having fun with her?

- Description from Novelupdates

This story is centered around the man named Yi Ji-Hyuk, who has spent 1000 years in a Medieval Western fantasy-like world before returning back to the modern-day Earth. When he returns, he finds that his home is facing monster threats, and that humans with superpowers have appeared to protect the innocent people of Earth.