|Education:||Pretty Top Dance School|
|Japanese:||Hyang Ri Kim|
Shi Yoon (シユン; Shiyun)시윤 is the second student from Korea who applied for the Prism Study Abroad Program in Japan at Pretty Top.
A very spaced-out and slow-tempo girl, Shi Yoon is one of the girls who came abroad from Korea to study the art of Prism Shows at the Pretty Top agency. She is the all-noticing, thoughtful big sister role of her team. Usually, she is very kind and docile, but she is actually extremely scary when angered.
Shi Yoon has dark green shoulder-length hair and wears a grey and white shirt with grey shorts. Her casual clothes also include yellow-heeled boots.Her Theme colour is Green and her element is Ethnic.
In Episode 4, Shi Yoon arrives becomes the second study abroad student to arrive at Pretty Top from Korea. She encounters Karin playing a game on her phone and when the two celebrate the win, they instantly become friends.
In Episode 27, Prizmmy and PURETTY are broken down into three groups of three to participate in the Symphonia Selection: Road to Symphonia. She is chosen to group with her two closest friends: Hye In and Karin.