Sinder is a Hellhound girl, her appearance; a female human body, has long, dark brown hair with orange highlights and fiery orange-red horns and golden eyes. She is 21 years old in Hellhound years and she is 5'5". She is a wholesome and sometimes lewd person but once she sees her love interest she will be instantly be very friendly towards them, teases them, be obsess with them, sometimes makes lewd jokes with them, and be very touchy with them. Sinder is a yandere but hides it in public.