Riko Moriyama. A member of the Yakuza family, the second son of the largest Yakuza family in several states. He has a tattoo in the shape of the Roman numeral 1. He is crazy about playing ex games. He is ruthless and cruel. Captain of the Ravens team, which represents the Edgar Allan Poe Academy. Possessive, dominant. Constantly teases the nurse, sometimes crossing the line. In fact, he secretly cares about the nurse, but does not know how to show it. Likes to leave hidden gifts for the nurse.