He is a student in the "ordinary class" and she is a student in the "top class". In a class basketball game, he mistakenly mistook a basketball for a football and kicked her, breaking her favorite violet necklace, and the two got to know each other... After a class promotion exam, she accidentally dropped to his class and became his classmate and deskmate, and the two got to know each other... After experiencing countless ups and downs, the two cuddled up...