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.
If you're looking for an explanation
 to give to Ito-san, I have an idea.
إن كنتم تبحثون عن شرح تقدّمونه
لإيتو-سان، لديّ فكرة
Wenn ihr Ito-san eine Erklärung liefern wollt,
hätte ich da eine ausgezeichnete Idee.
Si quieren una explicación para Ito,
tengo una buena idea.
Si queréis una explicación para Ito,
tengo una buena idea.
Je sais exactement
ce qu’il faut dire à sire Itô.
Se serve una spiegazione da dare 
a Itou-san, ho l'idea giusta.
Se querem dar satisfações ao Itou-san,
eu tenho um ótimo plano.
Если вам нужно объяснение
для Ито, у меня есть идея.