Kamiya Sai

"Leave it to me.
I'll take care of everything."

President of the student council at high school. Son of a renowned politician.
Handsome, smart, and athletic; He is a perfect figure.
He was the brain of the 8, and had led the group together with Sakurai.
Using his talents and personal connections, he has overcome many difficulties.
In the "Chronos World", he seems a bit different...

Spoiler

He is actually not Kamiya Sai, but Kamiya Sae, his little sister.
The real Kamiya Sai has been in the Chronos World before and died there. Sae took his place as their father's successor.