Masamune is a masked Japanese professional wrestler. He currently works for Dotonbori Pro Wrestling and has also worked for Kaientai Dojo (K-Dojo) and Osaka Pro Wrestling (OPW) in Japan. For several years he formed a tag team with Japanese wrestler Hideyoshi and was also part of a group known as Bad Force. Greatly influenced by lucha libre, Masamune has followed Mexican tradition for masked wrestlers, so his real name is not a matter of public record.

Masaki Okimoto is a Japanese professional wrestler from Neyagawa, Japan; he's a current member of the Michinoku Pro Wrestling roster as Rasse. He mainly uses a high-flying style.