Martial Arts Overlord - Chapter 148: Challenging the First!

Overnight, she was betrayed by her fiancé and sister, and was forced by her family to marry a fool. On the wedding day, everyone was waiting eagerly to laugh at her and see how she would get her foolish husband to put on the wedding ring. However, she took out her marriage certificate, which shocked the world, because the man on the certificate was not her ex-fiancé or that fool, but...

"Your bed is cold," spoke a voice in the room that had her eyes go wide in fear. Nervously, she turned around, gulping softly to see a shadow on her bed as if someone laid down there. The man who had been lying down sat up emerging out from the shadows where he had been waiting for her.

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

When I became a rich young master, I had to enjoy it.