Mentally unwell women club
Anime
Anime with female characters who I think kinda fit this vibe. Ranges from truly unredeemable evil women to girls who could probably use a bit of therapy. Girl-bossing too close to the sun, or neurotic. Mild or extreme. (I'm not really going to include yanderes, there's probably already decent lists for that specific archetype)
feel free to suggest additions in my comments
feel free to suggest additions in my comments