If you press "L" you can cycle through fast forward speeds. It makes it a lot easier to skip through the text, if you don't want to read it.
As far as gameplay, it's a dating sim (albeit a fucked up one). The gameplay is making choices about who you will end up with at the end of the game. Admittedly not a ton of gameplay, but no less then most other dating sims.
Be nice to Iris! She used to have a hideous haircut as well. What can I say, I like a plain looking girl, It's become very clear to me since making the game that that is not a popular opinion.