The main characters, Himari Aozora and Mitsuki Hoshikawa, enter Paradise Private Academy. 
Himari, who aspires for AIPRI, dreams of making 10,000 friends!
But for the shy and anxious Himari, it might be a bit difficult... 
 
Himari unexpectedly makes her AIPRI debut!? 
 
She has a "secret" she can't even tell her best friend, Mitsuki!
But it seems that Mitsuki has a "secret" of her own... 
 
Secret-bearers Himari and Mitsuki's AIPRI begins!! 
 
(Source: Official Website, translated)

A movie based on the popular fashion card and arcade dance game aimed at young girls. The movie features the magical Princesses Love and Berry, who posess Fashion Magic. While Love and Berry are best friends, they become rivals for attention when they're on the dance floor. 
(Source: Wikipedia)

A manga released alongside the Himitsu no AiPri anime series, summarizing the key points of each episode in only four panels.