FUTURE TIMELINE - SPOILER ALERT

One of the three core protagonists of the Keyholders' Legacy spinoff and was meant to play a prominent role in a third arc called Eternal Snow.

Bio:
An only child raised in a Keyholder family. He lived in the Wind Gate until recently moving with his mom to Earth.
Nikkou is normally bright and bubbly, sweet, caring and gets along with just about anyone. When something does bother him, he tends to keep it bottled up. But if his friends or his Key are threatened, he becomes ice-cold and won't hesitate to fight back.

Relationships with other OCs:
Kaori - His fellow Keyholder trainee. He's very attached to her.
Shiori - His mom. She's recently become very distant and detached.
Sora - His dad. He misses him.
Kita - His aunt. She's always nice to him, but he isn't used to her yet.
Hideo- His fellow Keyholder trainee. He says mean things, but he's also kind of nice?
Takumi - His teacher. He can be harsh, but he's not a bad person.