Natsuhiko Koyama

Natsuhiko Koyama is a student in Class 3-A in Kunugigaoka Junior High School and one of the Five Virtuosos. He is also the president of the Biology Club.

Appearance
He wears black framed glasses and appears to have crooked teeth. His hair is black, long, and shaggy, giving him a disgruntled look. His face is often contorted with an overly large smile and squinted eyes, accentuating his strangeness.