Quotes / You Gotta Have Blue Hair

"Let's see. Purple. For your hair. Can't tell this is a goddamn anime."
Da Vinci, Ghost Stories

Wouldn't you wonder if your "great sword teacher" looked like some psycho-cyberpunk with green hair?
Kendo Rage manual

Once there was a boy who woke up with blue hair
To him, it was a joy—until he ran out into the warm air
He thought of how his friends would come to see
Would they laugh—or, had he got some strange disease?
Crash Test Dummies, "God Shuffled His Feet"

So what is this? Super Saiyan with blue hair dye?

His hair color is merely manga artistic expression. He is fully Japanese.