But that is it for now.
Nope, Tattoos are fixed. Her skin was reacting very weird to the surroundings and certain lighting techniques. I have replaced it with a different, more high-quality skin now.
The RNG stuff at the camping trip was the only time that it had such an impact. Future RNG won't "close" you out of different routes but it will still change stuff.
It's not that difficult to sleep with other girls while being in a relationship. I mean you're cheating. It's the worst you can do to a partner who trusts you. You can always stay faithful and wait till you and your partner come to an agreement.
A full-harem in a slice of life game like this is impossible. This story features dark elements, cheating, betrayal, twists, etc.
It would be too much fantasy to get every single girl in a harem.
Assuming everyone survives.
But it is possible to have a pretty big harem and there are different variations of girls in these harems.