Valentine's Day is approaching, and six groups -Poppin Dreamin, Quartet Star, Vivi & Chii, Jumping Rocket, Love JurieL and Luminous Flora - are announced to be competing in the Final AiPri Contest. Himari and Mitsuki are preparing for their promised date. At that time, the two receive an invitation to a Valentine's Day party from Princess Ring. Princess Ring thanks the six groups of AiPri, saying, "I feel so happy that all the Buzzrium Changes are here." Subaru tells Princess Ring that he has prepared a special live performance for Valentine's Day. Wako-sensei is looking forward to the performance, but...
