ちびメカゴジラに夏祭りに誘われて、ドキドキしながら待っているちびモスラ。
2 人きりのデートだと思っていたちびモスラのもとにちびゴジラたちもやってきて
しかたなく皆で夏祭りを楽しむことにしたちびモスラだったが…
Chibi Mothra waits with a fluttering heart after being invited to the summer festival by Chibi Mechagodzilla.
Thinking it was a date just for the two of them, Chibi Mothra is surprised when Chibi Godzilla and his friends show up too.
Reluctantly, Chibi Mothra decides to enjoy the summer festival with everyone, but...