Diamond Girl: Otome games, is a story about a love-allergic girl who is hired by Misono to work at their company. It is discovered that she is the heiress to the parent company’s Misono family.

It is revealed that she is surrounded by a kind butler, a hot and cold fiancé, and a ditzy cousin.

She is hired to learn how to be a lady and she is moved into the mansion to do so.

The game supports various languages and those are English, French, and German.