"When you open the secret door, with makeup, nails, sparkly outfits, and a stylish transformation, you become the secret version of yourself! That’s Idol Princess 'Aipuri'!
Now, everyone, if you dive into this secret world, you might become an Aipuri too!?
It's a new semester! Himari and Mitsuki are moving up to the second year at Paradise Academy's middle school! New, unique juniors are joining, and school life is getting even livelier. In the AipuriVerse, new Aipuri are making their debut one after another! Together, everyone will challenge new, never-before-seen Buzzrium Changes!
Meanwhile, the mysterious princess 'Ring Clover Princess' and her butler Shitsumuu announce the 'Aipuri Contest'! If you win, you'll become the longed-for 'Eternal Aipuri'. Himari and Mitsuki are fired up and full of energy, ready to go! But it seems like Ring Princess has a very big 'secret'..."