Truthfully I wouldn't say it's nearing finish, no. I've made a lot of progress, but I still have lots planned. Will take a good while.
The SFW images in the pack are the same as the "thank you" pics that are shown when you open the game, though they are in 4k resolution instead of 2k, and without the text. The NSFW ones are completely unique to itch.
Each pack is 6 images, one of each of the main characters.