As is recorded , Tode Sakugawa began studying under Kusanku - sensei .
Although Kusanku is often believed to be a culmination of different Chinese officers , he is often referred to as one person .
As is recorded , Tode Sakugawa began studying under Kusanku - sensei .
Although Kusanku is often believed to be a culmination of different Chinese officers , he is often referred to as one person .