-ish [tw: self-harm mention] [uf!charasriel] omg i found something hot.

dat bondage in the upper-right corner fhsagkahgkda

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Of course, imo Chara and Asriel already do BDSM in the regular universe. <.<

Asriel prefers being sub.

I can see a fic bunny coming to me now:

Asriel's dom for a night at Chara's insistence. He's not sure about it, but hey, he'll give it a shot.

Turns out that Asriel really doesn't like hurting Chara. The scars on their body do NOT help.

Chara notices he's crying and says the safe word even though they're feeling fine. (I don't know if doms can also use safe words. I'll have to ask)

They comfort him and tell him they're sorry. They didn't know things would go that badly.

Which leads to a looooooong aftercare scene. ;;

Chara soothing Asriel and helping him calm down and get out of the bad headspace he got stuck in.

While Asriel washes them and takes care of the marks he left on them (from a flogger or cane or something, i dunno) and also bringing them back to earth from headspace.

Cue the two of them wanting to make up to each other and having adorable fluffy sex. ;;

And in the end, they're basically, "Okay, this is what we're going to do next time" and make some negotiations before nodding off.