One of the four core protagonists of Eternal Storm and plays a prominent role in the following arc, Keyholder Chronicles.

Bio:
Known as "Sora" by his teammates. He and his little sister inherited their Air Keys when they lost their parents. They are now wards of the village doctor.
Sora is quiet and subdued and can come across as a bit awkward, especially in his speech. He is gentle and dislikes conflict, but he will fight to protect the people close to him.

Relationships with other OCs:
Shiekue - His little sister, who he's very protective of.
Shiori - He treats her like a little sister until he realizes that she has romantic feelings for him.
Atsuko - A good friend, though she can be a bit harsh.
Toshirou - A good friend.
Nasim - Fine to work with, but not a friend.
Takumi - He acts cold, but he's a caring person; they get along.
Taki (Kobayashi) - He doesn't know her very well, but she tries very hard to help, and he respects that.
Shuuichi - A supportive friend.
Takeshi - He respects him.
Nikkou - [SPOILER]