@immortalartisan Out of curiosity, is your definition of harem (in this sense) multiple people all being attracted to the same main person but specifically not being interested in each other at all?
I'm about to look through my manga list because I'm curious how many I've followed fit the Harem vs. Poly mold, and I wanted to get your definition
EDIT: out of that criteria, I found about... 6ish where it seems like the other characters (besides the Main Character) develop feelings for eachother, and about 3 that I haven't read yet but may have that as a plotline. No shock that they are all either FMC with a bi polycule, FMC with a lesbian polycule, or MMC with a bi no-guys-besides-him polycule. I know A manga which has a MMC with two F and one M love interest(s), but it seems like it is heading for a mono end.