Elvira, Konata, Meloetta and Bianca are four very gassy girls who come from different worlds. But when Elvira gets transported to the Lucky Star stage, she meets Konata, then Bianca, and then Meloetta, and they all literally have a blast together!

Konata gets Kagami interested in a new anime, Pokemon. Kagami loves it and wishes, playfully, for a Pokemon of her own. However, in another dimension, Arceus falls in love with her and grants her wish. But Kagami might've put her new friend in danger....