A popular Twitter shorts series depicting the love story between a gyaru and her classmate who she mistakes as a guy outside of school, bonding over their mutual love for rock music.

Aya Oosawa, a gyaru high school student, frequents a small record store and develops a crush on the clerk, who has dark hair and wears a hoodie and a face mask. There's one problem— as the title implies, the clerk is actually her nerdy female classmate Mitsuki Koga. How will Aya react when she learns her crush is not actually a boy?