A biography for Kiyohiko Azumahasn’t been written yet.
“Osaka: Ah Get to ponderin' when Christmas rolls around. Y'all know Rudolph the Red Nosed Reindeer? That's messed up, y'know? Saying his nose will help light the way at night ain't no way t'make him feel better about it. If you told a bald fella you needed the light reflecting off his head to see, he'd like to punch you. Santa's a cruel bully.”
“Yotsuba: I’ll get revenge! … I’m going! Jumbo (in a suffering manner): Yotsuba… please, come back alive… Yotsuba (heroic): Alright. Even if I die… I’ll come back alive.—–Yotsuba!”
“I don't think you have talent!! But... I guess Fuuka will do.I have no choice!”