This will probably be taken down. But the funny thing is if you had labeled it as reference material for doujinshi artists or cosplayers then it would have been well received.
Also - not "non-h", and not "imageset". Photos are permitted only as a part of the work in question (say, ads in a magazine or an artbook), or as cosplay sets.
She's not a cosplayer. This is literally "Photo Gallery from the Supergirl TV show" as OP mentioned.