I welcome more parasite impregnation content since heck knows it's rare to find so genuinely thanks for actually trying to make it despite what I'm about to say, but in terms of the gameplay itself the enemy spam becomes obscene after a while, especially during the giant fly fight where even with iframes you can't get a full reload in.
It reaches a point where you can't get horny because you're too locked in trying to play the game normally, but trying to play the game normally without being horny gets you stunlocked, and then you get stunlocked again from orgasms inside of the CG itself. So it's not a good game or good porn beyond a certain point because to see new content you have to progress through a gauntlet of spam, there needs to be some balance adjustment so the game actually has a chance to do a Sexual Level 0 run from start to finish imo. Not that the point of the game is to play it sexless, just the ability to do so is a good litmus test for if it's balanced.