First, I think the title and author were “What Happens Tomorrow” by Kindofhere originally posted to Literotica but Im not sure. The author at some point removed all their stories and account from Literotica and moved over to Patreon where he continued the stories in a series. If the title and author are correct and you know the Patreon account name I would much appreciate a link (because Patreon’s search results suck).
If I was wrong however, the story is an incest story about (to the best of my recollection) a man in his twenties spending the night celebrating his younger cousins birthday with her, her older sister, and the protagonists two younger sisters. >!Younger cousin has been in love with protag since forever and everyone openly jikes about them being lovers, youngest sister is a les(bi)an tomboy, older sister is an athlete and veritable greek goddess. I do not remember the older cousins description. Story proceeds to reveal that protag and older cousin used to fuck but stopped, the others get jealous and “demand” he fuck the too. Older sister gets super sub when drunk which apparently younger sister has been taking advantage of, leading to her standing behind protag “using his dick to fuck their sister”!<
I could describe a bit more of really necessary but that should hopefully be enough detail for anyone who recognizes it. It has been killing me not being able to find this series again so any help would be greatly appreciated.
Source: reddit.com/r/Erotica/comments/f9erss/need_help_finding_a_lost_story