قسمت 4: پرزم اکت، انقلاب واقعی قلب‌ها و پویایی‌های جدید را آشکار می‌کند

4

Hye In is revealed to be a student studying abroad at 'Pretty Top' and Mia learns the definition of a Prism Act. Karin is asked to be in the center of the newly formed Prizmmy☆'s next Prism Show. However, Mia doesn't accept her feelings as the center and hurts Karin's feelings. But another student from Korea, Shi Yoon, befriends Karin quickly and helps with her problems. After performing Crystal Splash Perfect, Heartful Splash, and Fun Fun Heart Dive, she suddenly started skating in an Act Line. (Source: Wikipedia)