A boy and his karate robot... Awwwwww!
It's awfully convenient that he's a samurai otaku, given that his dad wants to induct him into a secret society of assassins... wouldn't it have sucked the Brotherhood of Shakti was a group of accountants or something? What would he have done with his love of ancient weapons then?
Cool ninjaesque design. I'd think that all the bright straps and pouches and all kinda defeat the purpose of having an all-black outfit. Maybe he just likes the colour.