Star Wars: The Old Republic. They're also a thing in Firefly, but we won't go into that right now. In SWTOR they're a thing that has spawned a web series called Companions 101, which features screenshots, biographical info, customization details, and various and sundry gameplay tips designed to maximize your relationship potential.
The latest entry focuses on one Kira Carsen, whom BioWare describes as anything but your typical Jedi. "Kira disregards authority on multiple occasions. She respects the Jedi Order, but when you are choosing your conversation options remember that she doesn't mind breaking the rules from time to time," BioWare advises.
Check out the full entry and related media on the official SWTOR website.