Koyuki is a normal high school kid with a big problem: he can't stop himself from screaming at his crazy friends. He swears to himself each day that he'll stop, and each day he fails.
Koyuki?
كويوكي؟
Koyuki?
¿Koyuki?
¿Koyuki?
Koyuki?
Koyuki?
Коюки?