Nimi-san has gone against the Shinsengumi. To avoid anymore problems they want to get rid of Serizawa.
The Shinsengumi.
الشّينسينغومي
Das ist die Shinsengumi.
El Shinsengumi.
El Shinsengumi.
Le Shinsengumi !
La Shinsengumi.
O Shinsengumi.
Синсэнгуми.