Okarun and Momo arrive at the tunnel to confront Turbo Granny. Just when they think they've won, a giant crab spirit crashes through the wall.

Wielding Acrobatic Silky's power, Aira fights the Serpoians alongside Okarun and Momo. The frustrated Serpoians power up their crustacean-like minion.

Momo's childhood friend Jiji has come to stay with the Ayases. He explains that he needs Seiko’s help with some strange phenomena at his house.

On the way to investigate the Enjoji house, Okarun feels uneasy about Jiji's closeness to Momo but finds himself drawn to his friendly nature.