Jou is a 19-year-old cool-headed swordsman with swift attacks, he declares himself the "Slasher Master! Ha! SuperGreen"He is descended from the Nagahamu Family, a clan who has been practicing the assassination sword style "Peerless Sword" since the Sengoku Period. As a form of defiance to his father, Jou defeated the GreenZendu in a bamboo thicket to become SuperGreen and soon developed a more feral fighting style, adopting a backhand grip which later became his personal sword style, "Slashing Peerless Sword". Though quite obedient to Mollie, he often teases Sally even though he saved her when they first met and he calls her stupid when she thinks of ridiculous ideas,he's great friends with Shiro but they sometimes clash Jou finds Garry annoying but they were childhood friends.