exo; bend over backwards

sebaekkaiyeol. nc-17. 3718 words. (for and because of ruby because she asked so nicely.)
in which jongin, baekhyun and chanyeol discover that sehun has a very sensitive back.

( “Hooh,” Sehun squeaks. And then clears his throat and adds in a slightly more dignified tone; “Oh yes right there. That’s where it’s itchy.” )