Mesmerized by Naru on the Haunted Island! Something's Fishy! (E17)

At Seaside Clubhouse Hinata, Motoko challenges Mr. Seta to a Kendo match. When Motoko goes out to seashore and start practicing, there comes a bird and brings a letter from the head quarter of Jinmei School, which is Motoko's Kendo school. It orders Motoko to defend the island from a vengeful ghost. Now is the time to prove her skill by expelling the ghost. (Prime Video)