xownxown: UNDERFELL SANS  IS HE REALLY MASOCHIST???? OK MY BODY IS READY  *WHIP*

xownxown: UNDERFELL SANS  IS HE REALLY MASOCHIST???? OK MY BODY IS READY  *WHIP*

tags: So many OTPs, Cuuuute,Underfell,Sans,

from: https://eikuuhyo.tumblr.com/post/141291803786