You asked for NSFW Astarion headcannons, well ask and you shall receive. Just a warning for those who haven't gotten to Astarion final romance scene, so spoilers ahead.
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I can only imagine how much the night at his grave ment to him. It was goofy, silly and not as hot as he was used too. Of course it was still romantic and all that, but he was certainly confused by his own clumsiness.
It starts off slow with the leg hook, still showing desire and neediness, but not rushing into anything. The passionate kiss that feels so much different than any other. The hand on his back pulling him, making him feel like he'll be consumed whole by his love and he wants nothing more.
The undressing is clumsy, considering he allows someone else to do it with his own consent, and also he's so excited to get them naked that his fingers tremble and don't undo their buttons the first time like he's used to. Both of them are chuckling at their foolishness inbetween kisses and praise. He lets out those high pitched little giggles that he does when he's giddy, and if his heart could still beat, he would feel it in his chest.
The actual sex is so much better than he could say. It makes him feel lightheaded, in total bliss. His eyes roll into the back of his head as he languidly thrusts at a pace not only his partner likes. He only bites if his partner allows, and while he'll respect their want to remain unbiten if they do, but he just wants a little bite. He loves it for the fact he feels so much more alive. He can feel everything. Every touch, every kiss, and every little caress. That being said, it makes him a little more sensitive. He's much more vocal than before, little whines and whimpers that leave his lips. Maybe he cums a little faster than usual knowing he can. He feels safe, meaning he can just be himself.
And last but not least, the aftercare. Both of them walking back in dirty clothes, messy hair and dirt covering their bodies. A graveyard wasn't the best option, but it meant something to him. The ends with a warm bath in the Elfsong (and a few weird looks from the party). He takes his time washing their body while they wash his hair, massaging his scalp, making him melt to their touch.
Anyways, I'm ovulating if you can't tell.
Well okay Anon, just kill me I guess 🫠🫠
Soft, tender Astarion is just so *chefs kiss*
Teaching him that sex can be sooo much more than just, well, sex. It can be loving, and carefree, and fun. The thought of him coming quicker because he's able to has me screaming. You're so right.
UGH and the aftercare?? He deserves the best aftercare that anyone could give him.