I want to marry the Demon Queen!

I want to sleep with the Demon Queen!

I want to be together with the Demon Queen!

I want to go on a date with the Demon Queen!

I want to look after the Demon Queen!

I want to talk with the Demon Queen!

I want to share secrets with the Demon Queen!

I want to be lovey-dovey with the Demon Queen!

I want to compete for the Demon Queen!

I want to be pampered by the Demon Queen!

The Demon Queen wants to learn!

I want to go to an expo with the Demon Queen.

I want to be the Pride of the Demon Queen.

Maybell wants to be noticed.

The Demon Queen wants to Open Up.

I want to conciliate with Father

I Want to take it easy with the Demon Queen.

I Want to Scare the Demon Queen

I Want to be Interviewed with the Demon Queen

I Want to be Happy with the Demon Queen...

The demon queen quite by chance saves Haru, a young human boy about to be sold as a slave, and takes him back to be her attendant. Some years later, a bored demon queen asks our now fully grown and handsome Haru what else she has left to do. "Marriage", Haru replies. A heart-pounding love comedy between an innocent demon queen and her servant. (Source: Comic Meteor)
 
Note: Chapter count includes 2 extras.