Dungeon Life - Chapter Three-Hundred Thirty-Four

After dying, Chen Heng finds that he has transmigrated to an alternate reality: everything is the same, except the world is now a Wuxia world heavily influenced by martial arts! Not only this, he discovers that he has a Fantasy Simulator, from which he obtains rewards that make him incredibly powerful in his new reality as well. Martial arts, immortal cultivation, and overpowered abilities–all of this begins from a single simulation!

A Federation Colonel with abnormal thoughts was locked in a dark room and met a little looney.

“Your whole body emits a scent that I dread (covet) and fear (desire).”

A frigid Colonel X little looney roommate: A sweet story of interstellar travel

- Description from Novelupdates

Xia Lian, a 21st century military doctor died in an explosion and found herself transmigrated to the body a 12 year girl. Her mother died and her father abandoned her and her little brother for another woman.

“Honey, be good…Give me your phone…”

“No, no!” The internet-addict girl clutched onto her phone, determined not to give him.

The handsome and noble man slightly sighed. He lowered his body to hug the girl.

“You’re not listening again, hm?” She immediately handed her phone over cowardly as he said so in a clear and distinct voice.

He was the eminent and noble Master Li, a powerful figure in the business world.

She was just from a normal family that suffered from her stepmother’s schemes, a pitiful girl.

An accident made him appear in her world.

Since then, everyone in S City knew that Master Li had a treasure and cherished her dearly. He feared that she might be wronged in the tiniest bit. He will personally tutor her in her studies, personally be her training partner in video games, and even reserve the movie theaters for her movies.

- Description from Novelupdates