The renegade romance scene between Jack and Femshep.
Jack was originally meant to be a romance option for both Male Shepard and Female Shepard, but Bioware ended up making her just avaible to a male shepard.
Using the content that it's inside the game files, modders have made it possible for Jack to be romanced by a female Shepard.
![](https://i.ytimg.com/vi/dlSv6xLaoUk/mqdefault.jpg)