Typhoon

Typhoon 's Broken Core makes everyone treat them like they're frail and weak, but they feel perfectly normal, which leads to many misunderstandings. They decided to wear a bandanna around their neck to hide their core from others. 

Every time it rains outside, they wonder why their sister, Echo, won't let them go outside. Perhaps she thinks they're just so frail that some water droplets will hurt them?? Hopefully not...