Age:Unknown to the world.
Dojo/City:Ryozanpaku, Ryu city
Side (Good or Evil):Both
Ki/Chi/Aura colour:Redish with blackish bright light
Personality:Shy and average
Hobbies: Destroying or challenging other dojos
Martial Arts Moves: Bloody Death and Death Blow.
Weapon: A sharp katana for protection.
Ki Technique: Bloody Death (Attack): This attack is so powerful that you finish off your enemies in 5 seconds. Death Blow (attack): This attack is a weak attack, but it can kill eventually. Blood Ritual (Healing): This healing technique heals any wounds inflicted upon oneself.
Bio:Ketaro-kun as a child started training to become the greatest martial art master in the world. So, far he runs his own dojo where students can learn the arts of spying and killing without mercy those that inflict terror and destruction to the peace of the world. However, ketaro-kun also has his dark side which he is trying to supress in order to live in peace.