Tangled Love (Seductive Vibrations #4)
Billiejo Priestley

While they are enjoying the moment of sexual pleasure, unknown to them someone isn't to pleased about it.
Someone is feeling rather left out, they expected an invite and while they play nice after, enjoying the pleasure of Alena and Jackson, they soon show just how angry they are that they were not invited.
Alena and Jackson throughout the book have scenes of BDSM, including S and M, Animal play and group play.