Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Side Story: Kishresgalza Clan

Pinning her tall body against the hard wall, he looked into her beautiful emerald green eyes as he spoke in a deep voice, "I have two options for you," his body came closer to hers as he continued, "Be my girlfriend. Or," his lips turned into a sly smile as he whispered close to her ear, "Be my boyfriend." He even dared to wink right before her as his dark orbs glinted amusingly.

After being expelled, the ace soldier Chen Feng returns to the city and inexplicably becomes the fiancé of a cold and aloof campus belle.His life as an extraordinary figure begins by stepping on arrogant second-generation heirs and embracing the goddess campus belle.

She woke up from her sleep to the divorce papers that the original owner’s husband tossed at her.

Shu Yan picked up the document and took a look. She gets the house and the savings, but not the car.

Oh! And her son and daughter.

She had been a single woman in her 30’s in her previous life, and now she’s a mother?

How exciting is that?

She searched her memories. Two million dollars in savings. How much is two million dollars in the 90s?

What’s a husband? The other woman can have him. I’m taking the monies and my instant son and daughter to go and enjoy ourselves!

- 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.