Can’t really think of something that ticks all of those boxes on this site… but that also means it’s a good opportunity to write something that fills a gap. Sounds like you have a strong vision on what you’d like to write!
An ecchi-comedy that allows awkward/inexperienced characters to slowly...
If you search the "Erotic Horror" tag about half are in fantasy. You could also lean into whatever the the dominant sexual theme of the story is going to be.
Three dashes to make a screen wide break. Won’t show till you save as draft or publish though. Just tested, was definitely overdoing it with dashes before for the effect too.
1 & 2 finally pushed me to add a photo to my story and make my synopsis quite a bit less vague.
Keeping a backlog can be difficult though, it feels difficult to hold back spicy chapters after an exposition chapters. Tend to do most of my writing on the weekend, maybe I’ll adopt 8 to try saying...