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.
My phenylalanine will valine,
،فإنّ الفينيلالانين الخاص بي سيصبح فالين
wird mein Phenylalanin zu Valin
mi fenilalanina será valina
mi fenilalanina será valina
ma phénylalanine va valiner
La mia fenilalanina si valinizzerà,
Minha fenilalanina... a valina...
Мой фенилаланин станет валином,