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Lee Ji-hyun
Romi (52 eps)
Kim Myung-jun
Joon / Kikiping (52 eps)
![](https://image.tmdb.org/t/p/w92/6IG22ljWttPzD0BjAl01H6DJ2Tk.jpg)
Chang Eun-sook
모야핑 (52 eps)
Jo Kyeong-i
Heartsping (voice) (52 eps)
![](https://image.tmdb.org/t/p/w92/7URwQCgtOOX0KHHVONS11GrH39F.jpg)
Shin Yong-woo
Dadaping (52 eps)
![](https://image.tmdb.org/t/p/w92/oLI19KxyRy0lLxPk4gJbrEIkIW.jpg)
Um Sang-hyun
아자핑 (52 eps)
![](https://image.tmdb.org/t/p/w92/stLqdEGU5j1RVPazK6LNEBl2VR4.jpg)
Lee Bo-hee
Chachaping (52 eps)
Jang Ye-na
Lalaping / Maya (52 eps)
Kim Eun-ah
Happying / Sarah /Charmping (52 eps)