>>48703480The context is that the schools Regina went to were full of racists. Literally.
The school kids notice that Regina looks like a famous depiction of an ice queen from a story and she has a Glaceon, so they unironically bully her so bad she starts crying. Glaceon understands its trainers pain and freezes the school kids so much that its internal temperature lowers to the point of nearly dying.
Moral of the story: Kids are mean