Due to his mother and sister, who both love professional wrestling, Kinjirou Sakamachi developed a resilient body that could take hard punches, aggressive kicks, and even deadly vehicle bumps, in order to survive their various grappling positions and locks. However, he also developed gynophobia, an abnormal fear of women. With just one touch from a girl, his nose bleeds uncontrollably, he sweats excessively, and in rare cases, faints abruptly.