This story begin with new student selection who was held by Shining Moon (SM) High School. This school is the most prestigious school in Seoul, almost all children want to be a student in there, no exception Minseok. But this school is implementing strict rules, where only they who had scored 100 in test would go into A class (high class). The rest will fall or go to F class, ie the lower class. This is what makes Minseok had been studying hard day and night just to be able achieve her dream. She is a smart student in her previous school, she even got the first rank and received many awards for her achievements But sadly, on the day of test. Minseok got high fever which made her unable to concentrate and fainted during the test. As a result when the announcement, her name are listed in F class,  the day her life would totally changed.. Minseok not give up but still be grateful because this school gave her second chance to prove her potency even she must joining with F class,  with a great spirit she want to prove to Suho (her rival since middle school) that she deserves to be in A class. 

Inspired by Baka to Test (Japan Anime)

Sorry for my grammar and poor vocab