Even though Velvet Remedy is a very kind pony who heals others, it doesn’t mean she hates feeling pain or getting hurt during her lewd entertainments with her brown special somepony! xP  
My initial idea was to make something like that with Littlepip on the bed and Homage on the floor instead of these two but I changed my mind when I felt Velvet and Calamity would be just perfect for a couple ready to experience some unforgettable sexy time together)) But I still added peeping Pip for a more comedic effect. :D Hope you all liked how this poster turned out. =)
 

 
Calamity: (entering the room) Hm-m… Ah still don’t see no point in dis strange collar, Velvet. It’s so spiky! Ah don’t get it why you asked me to put it… (stops when he shifted his gaze to his mare lying on the bed in a sexy pose) …on.  
Velvet: I found this as well, dear. (flaunts her rump with a swinging red round ball gag on her tail) I was thinking you could keep it in your mouth but it’s so bi-i-ig… maybe I should use it on my private parts?  
Calamity: Oh my! You… you look gorgeous!  
Velvet: He-he! Thanks! I’ve prepared some other stuff just for us as well but a scotch tape and such probably won’t be as interesting as… (Velvet pulls a riding crop out of the box with her mouth) having an opportunity to do a good spanking of your naughty doctor, right?  
Calamity: (falls on his ass, gets a wingboner and grins)  
Velvet: What’s up, honey?  
Calamity: Oh my, your butt… is the sexiest thing I’ve seen in my life..!  
Velvet: Really? But would it look better in scarlet?  
Calamity: Ah… Ah… don’t… know? (blushes)  
Velvet: How about finding it out then? (shifts a glance to a paddle)  
Lillpip: Yeah! Let us see her buns getting red!  
Velvet: (shocked) Littlepip?!  
Littlepip: Hi, Velvet. Sup? I see you two are having some intimate fun together, huh?  
Velvet: It’s called ‘intimate’ ‘cause no other pony should see it!  
Littlepip: Oh come on! Don’t be such a prude! You’re always naked, forgot?  
Velvet: That’s different! And because we don’t need any distractions I’m lowering the shutters right now. (moves a hoondle on the wall and shutters starts lowering)  
Littlepip: No, Velvet, please! Don’t do it to me!  
Velvet: You have Homage for it. Besides she’ll be angry with you if she finds out.  
Littlepip: H-How?!  
Velvet: H-m-m… I probably could tell her, he-he.  
Littlepip: No, don’t do it!  
Velvet: Do you promise not to peep on us then?  
Littlepip: …  
Velvet: To bad, you’re time is over!  
Littlepip: No! Velvet! Please! (window shutters fully closed)  
Velvet: Ah! What a relief… (looks at Calamity) And how much time she has been watching me?  
Calamity: Hm, at least since the time Ah entered the room, I guess?  
Velvet: (sighs) Fine… Let’s just forget about it… Now, I want you to make me not being able to sit on my ass for a week. Can you do it?  
Calamity: (whistles in excitement)  
Velvet: Then do it!
 
xP