Someone powerful enough to have an entire idol group as their harem would need them to continue to perform as idols in order for it to count as an "idol harem," but who would be fans of idols that you already know someone else is banging? A serious conundrum.
Backstreet Boys harem comedy
originally read this as “idpol harem”
…wow.
I feel like this concept falls so squarely into “dumb rightist stereotypes of dumb leftist culture politics” that I’m kind of amazed I haven’t seen it already. Blando Whiteman finds himself in a high school class filled with pretty girls, each of whom is a representative of an Officially Oppressed Identity, and they’re constantly squabbling over which one of them deserves to get together with the Only Man Who Matters by dint of caricatured SJW oppression Olympics.