>>718066772
imagine being one of a kind in town and having a complex about that
then all of a sudden you start bleeding and are in pain and you have to go to the hospital because you and your family think you're dying
that's probably what happened to kris on her first period

>>715745968
kris also only seems to have asriel's old clothes to wear as well, the inspect dialogue in her dark world room also seems to imply that she isn't happy with her clothing options at home
it's possible that the only thing that kris has that is in any way feminine is the apple shampoo, and toriel likely only bought it because kris refused to use the pizza body wash no matter what toriel said/ did

>>714917130
>he didn't clean kris' menstrual blood corner with susie

>>714845989
kris is many things
being a boy (female) is one of them