Fuyukoshi-chan no No Pan Biyori

Fuyukoshi-chan, is a junior high school girl who is not very good with cold weather. She usually wears as much as she can, but one winter day, she went to school in such light clothing that even her friend Hikage became worried. There's a secret plan that every middle school girl should have...? “No Panties in school” A countermeasure against the cold!?