Rikiya Koyama is a Japanese actor, voice actor and narrator currently affiliated with Haiyuza Theatre Company. He has done popular voicing roles in Hajime no Ippo, Utawarerumono, Kamen no Maid Guy and Yakuza, and has become well known for voicing Yamato in Naruto Shippuden and Kogoro Mouri in Case Closed. In addition, he is known for voicing rather tall or massive inhuman villains like Coyote Starrk in Bleach, Fukuro in Fairy Tail and Deep Sea King in One Punch Man. He is the official dub-over artist of George Clooney, Kiefer Sutherland, Dwayne Johnson and Ma Dong-seok. In addition, he dubbed many roles of Denzel Washington, Keanu Reeves and Guy Pearce.

Ritsumeikan University is a private university in Kyoto, Japan, that traces its origin to 1869. In addition to its main campus in Kyoto, the university also has satellite campuses in Ibaraki, Osaka and Kusatsu, Shiga.