Komugi, Iroha, Yuki, Mayu, Daifuku, and Satoru have gathered to play the super popular game "Doki Doki♡TanuKingdom"! Everyone starts the game happily! Or so they thought...but it seems they've been sucked into a world of the game with a suspicious tanuki...and now they're in even more trouble! Komugi has been separated from Iroha and the others...!?

"I want to be by Iroha's side forever and ever!" To meet her beloved Iroha, Komugi decides to challenge herself to various game battles!

How on earth did this happen...? What is the secret hidden in the world of the game...? The clue is in the hands of Natsuki, the young girl who created the game.

"Hirogaru Sky! Pretty Cure" and "Mahou Tsukai Pretty Cure!" have also gathered together! When everyone's feelings come together, will a wonderful miracle unfold?!