Hiiro is kidnapped by Sharisharu and Nambuuko, who want to control the evil dragon Dagan Zot.  Nambuuko reveals that he was the one who killed Hiiro's parents.  But without his Dragon Form, can he defeat Nambuuko, or is he doomed to be held a hostage for his heart?
Don't struggle! You'll only sink faster.
لا تقاوم! ستغرق أسرع بتلك الطريقة
Hör auf zu zappeln!
So zieht es dich nur schneller rein!
¡No te resistas! 
¡Te hundirás más rápido!
¡No te resistas! 
¡Te hundirás más rápido!
Tu vas t’enfoncer si tu te débats !
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