Sannan has been using materials left behind by Kodo to continue to try to improve the medicine in secret. He drinks the medicine and transforms into something which is no longer human. After seeing the wound Sannan infected on Chizuru heal in an instant, Hijikata asks her if she's a rasetsu, but...
Later, the commotion over Sannan adds to the decision to move the Shinsengumi headquarters to Nishi Hongwanji. Chizuru continues to search for her father, but she is unable to find any clues to his whereabouts. Then one day, Chizuru happens to overhear Okita's secret.
choose between ritual suicide 
and drinking the Water of Life
ثمّ اختاروا بين طقوس الانتحار
وشرب ماء الحياة
konnte sich zwischen Seppuku
oder dem Wasser des Lebens entscheiden
a scegliere tra il suicidio rituale
 e bere l'Acqua della Vita,
tinham a opção de cometer 
seppuku ou beber a Água da Vida,
выбирали между сэппуку
или живой водой