Darkninja

ダークニンジャ

Main character4 series

Fujio Katakura (フジオ・カタクラ, Fujio Katakura), known as Darkninja (ダークニンジャ, Dākuninja), is a ninja who worked for Laomoto Khan and was part of the Soukai Syndicate. He is responsible for killing Ninja Slayer's family.