Name : Yn or au sans gaster, chara.

Like : ketchup and pun her little sister papyrus and goblin slayer kun and smoking, hotdog , mint , coffee,  chocolate, puppete, drawing, books , music.

Hate : mustard, frisk, goblin, demon, sweet thing.

Personally: when someone she like: cute, nerd, shy , tsundere.
When someone she hate : rude , bad language, jerk , asshole.

She look like dust sans.

She have au sans  form and bad guy sans, chara, gaster.

To be continued.