You are Coco Pommel's personal assistant, helping her with whatever she needs assisting with. In return, she offers you a place to stay while you work out your whole "you were from Earth, now you're in Equestria" thing. This focuses on the night Coco asked you to get her some Chamomile tea and how it ended up knocking her out.

Seeing the tags, you can probably guess how that night's gonna end.

Second person fic, trigger is obvious but: non-consensual (hence the dark tag) somnophilia (having sex with someone in their sleep)

Cover art is by 007Delta. Unfortunately, it's NSFW (hence why it's cropped) so I can't link you to the full version.