A boy named Takuto Tsunashi, swam from the mainland to a small island to make a difference in his life. After making friends with Sugata and Wako who rescued him, Takuto enrolls in the local school and gets himself involved in a conflict with the secret organization "Kiraboshi Juujidan", that kidnap Wako as part of their plan to take control of the island's secret treasure.

The leaders of the many factions among Kiraboshi decide that whoever defeats Takuto will become the order's main commander. Meanwhile, Takuto is introduced to Wako's friends at the drama club that also oppose the order's plans.

Takuto is short on cash and is invited by his classmate Kanako to perform some cleaning job at her own luxury cruise ship. Little does he know, that both Kanako and her employees are part of Kiraboshi and one of them will become his next opponent.

While wandering alone through the city, Wako meets Takuto and the two spend some time talking about her past and her duties as a shrine maiden, until they find that they are trapped in an illusion created by one of the enemy's cybodies.

Professor Green, the school's nurse and leader of Kiraboshi's science division is determined to infatuate all guys of the school with the aid of a powerful love potion and her special ability of returning temporarily to a teenager state. After failing to capture Takuto's heart, she fights it out with him in Zero Space.

It's Sugata's birthday today, however he hates this very day. Wako explains to Takuto why and tells him that Sugata also possess a powerful Cybody, but Apprivoising it may put his life in danger. Whilst going to Sugata's home to celebrate his birthday, they're attacked by a mysterious glittering star member, and Sugata ends up doing what Wako feared at most to protect them.

Sugata remains unconscious much to Wako and Takuto's grief and the same glittering star member who attacked them in the previous night challenges Takuto on her Cybody.

Despite being happy that Sugata regained conscience, Takuto is angry at him for not accepting Wako's present. Just when they are at brink of fighting, Scarlet Kiss, the leader of one of glittering star's "Filament" squad captures Sugata and uses his powers to increase the capabilites of her own Cybody in order to confront Takuto.

Ryousuke Katashiro, Head's second in command, reminisces about his past with his former fiancee Sora and Head. Meanwhile, Ginta Ryo, another member of Glittering Star, uses his First Phase ability to spy on the island's inhabitants and find out why Head is unwilling to break the final seals so soon. He decides to challenge Takuto by himself, but not before have him poisoned by a snake.