Nimi-san has gone against the Shinsengumi. To avoid anymore problems they want to get rid of Serizawa.
Open your mouth and sit still!
!افتح فمك واثبت مكانك
Abre la boca y no te muevas.
Abre la boca y no te muevas.
Apri la bocca e stai fermo!
Abram a boca e acalmem-se.
Открой рот и сиди смирно.