Balsa (Haruka Ayase) is a 30-year-old female bodyguard-for-hire. Her life changes when she saves Imperial Prince Chagumu who is being carried away by a raging river. They then attempt to return the great egg of the water spirit, which is in Prince Chagumu's possession to its source in the sea. Along the way, they are hunted by hired assassins.
- Other name: 精霊の守り人,Seirei no Moribito,Guardian of the Spirit
- Genre: Action, Adventure, Bodyguard, Fantasy, Friendship, Warrior
- Status: Completed
- Duration: N/A min
- Country: Japanese
- Network: N/A
Cast: Ayase Haruka, Fukikoshi Mitsuru, Hayashi Kento, Higashide Masahiro, Hira Mikijiro, Hotaru Yukijiro, Ishii Momoka, Kamio Yu, Kato Seishiro, Kato Toranosuke, Kikkawa Koji, Kimura Fumino, Kiyohara Kaya, Kobayashi Kai, Matsuda Satoshi, Nakamura Shido, Nomura Masaki, Okada Takashi, Okumura Kae, Saijima Riana, Takashima Reiko, Wakayama Kirato, Yokomizo Naho