Rainy Kim is a typical 17 year old teenager who needed money for her living expenses. She grew up in a tiny orphanage opposite the S.M Building. One summer day, a gloomy job leaflet appear out of nowhere and landed on her sundae. Because she needed money to support the orphanage, the children, and the sick grandma. Not knowing that she will be living with the famous idol A.K.A

Shin Nana is a 17 year-old girl and is very much a tomboy. She moved to Japan when she was 10 due to her father's work. When she was young, Nana meets a boy called Okabe Satoru, who came to Korea for a vacation. He teaches her to play Basketball and she falls in love with the sport. Nana is inspired by Satoru and continues to play basketball in hopes that they would meet again some