books

Books about Naitou:

booksTalk To You And- Izumi Naitou Dialogue Album Japanese Language Book by Izumi Naitou (2001)

wiki

Wiki information Naitou:

Ryō Naitō
Voice actor, TV Actor, Person, Film actor

Rei Naito is a voice actor.

Junichi Naitou
Actor, Person, Film actor

Junichi Naitou appeared in the 2000 film Battle Royale.