Twinkleshine, Lemon Hearts, Moondancer, and Minuette try to summon a tentacle monster to sate their sexual appetites. Instead they get a human who's more than willing to fill in for the aforementioned monster.

This was a collaborative work between myself and several Anon's over at the /RGRE/ thread of /mlp/

This takes place in Reverse Gender Roles Equestria.
Light dubious consent themes.