Five years ago, in the Kamikaku Island incident, she lost both her parents and her memory. The island was completely wiped out, and she was the only survivor. Her wealthy maternal grandmother took her in. Her grandmother was worried about her and did not want her to have to commute to school, so she had her educated at home by tutors. Eventually, knowing that she herself might not have long to live, her grandmother enrolled her in a girls' residential school, Kaihou Academy. Enrolled against her will, she misses her home, She can't hide how she feels distressed.
A ex-Ecoban Member, who wanted to show Jay the blue sky..., but was left for dead when him and Jay were beaten for going into a forbidden place, Cade stabbed the beater with his own knife and kicked Shua off a building making him take the blame and leaving him for dead. Now he works for Dr. Noah as a spy/terrorist to take down Ecoban to allow the world to see the blue sky.
A girl who is a Ecoban, she wanted to see the sky with Shua but after Shua's death she fell in love with Cade. She fights her feelings through the movie.
A member of the Devee Tribe which are yellow humanoid creatures that wear pots for hats. Nene poisoned the entire Devee Tribe of Lago Village except for Marumaro and told him that if he retrieved a special elixir from the Ancient Hospital Ruins, that Nene would supply a cure for the Tribe. Marumaro first appears in a Drill Machine on the way to the ruins. When he first encounters Shu, Kluke and Jiro, he is intimidated and fights them. When the ship reaches its destination, Marumaro runs away to find the cure. At the Hospital Ruins, Shu saves Marumaro from the Icefire Wolf Ghost and then helps him find the cure. As they return to Devee Tribe, he gives the tribe the cure and the effects are catastrophic. He soon discovers that Nene tricked him to make himself more powerful and is forced to cure the tribe with a new antidote much more difficult to find and then joins the group afterwards to get revenge on Nene. He has tendency to end his sentences by saying "Maro". In the anime, Marumaro is obsessed with girls (he also acts like a pervert in the original version, and his actions often end up angering Kluke and Bouquet). He joins up with Shu and Co. after the village he was staying at was destroyed and its inhabitants were captured by twin Shadow users Ivanov and Gustuv. Two years later, Marumaro is back in his village until Noi reawakens his shadow. Upon joining up with Shu and Bouquet, Marumaro develops a competitive rivalry with Noi. He owns the shadow Saber Tiger who uses monk charged attacks In the anime, Saber Tiger thinks himself of as a defender of justice and encourages Marumaro to feel the same way.
A GHQ Anti Bodies Intel officer. Rowan usually assists his superior officers.
Naitou is a guy that transferred into Futaba Yoshioka and Kou Mabuchi's middle school. He was a close friend of Kou.
Appears in "Jinsei Best 10". Hatoko's former classmate and first love. He was also the first boy Hatoko dated and kissed. Hatoko described him as laid-back, careless and irresponsible. He is one of the organizers of the middle school class reunion.