Nagi (凪)

Overview
Nagi (凪) is the main character of The Red Sea. His apparent gender is ambiguous, though he looks more like a boy than a girl, plus he has an effect where he wears a Japanese school uniform for males.

Appearance
Nagi appears to be a boy or guy with short, cyan (bright green-blue), a bit spiky hair and blue eyes. He wears a light blue jacket with a white top underneath it. He also wears (skinny?) blue pants, white socks and black shoes.

Personality
Unknown.

Past
Unknown.