A vengeful teru teru bozu-like monster called Miden is stealing all of the Cures' magical powers and memories, turning them into helpless infants, barring Nagisa Misumi and Hana Nono. They must help the affected Cures to regain their abilities and fight off this new menace.

(Source: Wikipedia)

After completing their work at Yorknew City, Leorio Paladiknight and Kurapika investigate the rumored sightings of a boy with scarlet red eyes, as they believe this person to be a member of the now non-existent Kurta Clan. Kurapika hopes to find another survivor of the clan besides himself, but instead ends up losing both his eyes after an attack from someone who seems to be his childhood friend. Leorio tends to Kurapika's wounds, and then sends for both Gon Freecss and Killua Zoldyck to help retrieve Kurapika's eyeballs. However, their search brings them face-to-face with the infamous group of thieves known as Phantom Troupe—the same people who massacred the entire Kurta Clan five years ago for their scarlet eyes, which change color during moments of rage. Hunter x Hunter Movie 1: Phantom Rouge follows the boys' quest to locate their friend's eyes and catch the thief, causing them to delve deep into Phantom Troupe's past. And in doing so, they encounter a mysterious girl who appears to be linked to it all… [Written by MAL Rewrite]

Nen: the hidden source of energy and potential that runs through everyone, and gives those that master it a source of great power. Inside Nen is the potential for limitless light and limitless darkness. The Hunter Association has arisen to control access to it. Hunters come in many shapes and forms, and with many different appetites - but all of them have learned to master Nen, and use it to chase wealth, power, and their dreams. The greatest and most powerful Hunter is Isaac Netero, chairman of the Hunter Association. Decades ago he sealed away Jed, a Hunter who had mastered the use of On, the dark "shadow" of Nen. Now On users have reappeared at the Heaven's Arena "Battle Olympia" tournament. For Netero, this is the last mission: to protect the Association and the world from a threat driven by hatred and the thirst for revenge. And he's going to need all the help he can get in order to succeed.

When Nube and his class arrive at a small island to carry out beach activities, they heard a forbodding tale from an old man residing on the island. Legend has it that there is a creature known as the sea spider in the open seas around the island. When the creature is past 200 years old, it will turn into a monster and devour humans to satisfy its appetite. However, curiousity kills the cat and Yukime decides to pursue the authenticity of the legend. And then, a girl suddenly appears on the beach. Possessed with a strange charm, she immediately attracts Hiroshi's attention and overcomes him. Soon later, strange things start to happen to the others whereby Kyoko and Ritsuko-sensei got attacked under strange circumstances. The true identity behind the mysterious girl is questioned and the legend behind the sea creature seems to be true after all.