Cho Yunhee and Luna have various stages throughout their seven year long friendship. Like getting food poisoning from a sketchy chinese shop, dying Luna's hair accidentally pink, being sent to detention for passing notes in class about said homeroom teacher (that they still deny to this day). Really they just want to get through high school and successfully ace prom in one piece. And just maybe things would be better if Luna's cousin Amber wasn't so annoying and full of herself and Mark and Youngjae would not be such idiots.