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.
last night, an incident occurred 
within the command post.
في اللّيلة الماضية، وقعت حادثة ضمن موقع القيادة
kam es vergangene Nacht
zu einem Zwischenfall im Stützpunkt.
Hier, un accident a eu lieu.
la scorsa notte è avvenuto un incidente.
tivemos um incidente
ontem, aqui na nossa base.
прошлой ночью в штабе
случился инцидент.