Kou

Age: 25
Birthday: January 17
Blood Type: B
Height: 184 cm (approx. 6')
Weight: 70 kg (approx. 154 lbs)

One of the Rei, friend to both Akira and Kengou from an event that occurred several years ago. Loyal to Ryuuko, the king of Rei (opposite to Shin).

He has a perverted personality. He makes his appearance in the anime by lifting Aya's skirt. Once, he was depicted as a masochist in the anime, possibly for comedy.