I think I may have found a bug. In the gallery, in the images section, the last image on the second page (Jada's mom coming out to your car when you take Jada home after the party) only unlocks if you play as a male. It does not unlock if you play as a female. The dialogue is slightly different in the scene based on your gender, but the image is the same in both versions of the scene, so there's no reason that I can see for it to only unlock on the male route.
Yeah, it was that one. I did a female playthrough first, and after finishing it, I was missing that image, the last image on the fifth page, and several on the last page. I decided to do a male playthrough to see if the missing images were gender-locked. I made all the exact same choices in the male playthrough as I did in my female playthrough, and after finishing it, all the images that should be male-locked were unlocked, as well as the image with Jada's mom next to the car.