The nineteen-year-old you looked at her in school uniform and ponytail out of the car window in trance. When the fifteen-year-old she turned around and saw you with curly hair and heavy makeup, she was filled with envy. Fifteen-year-old Su You fell in love with a man five years older than her by chance. He looks dull, and there is always a cold air between his eyebrows and eyes towards people he doesn't know well. I don't know from a certain moment, they began tossing and turning in a short relationship...
Concept: Is it fast food love?