Nimi-san has gone against the Shinsengumi. To avoid anymore problems they want to get rid of Serizawa.
I will make a better medicine shortly.
سوف أصنع دواء أفضل قريباً
Ich werde in Kürze
die Medizin verbessern.
Presto avrò una medicina migliore.
Já estou preparando um remédio melhor.
Скоро я смогу улучшить лекарство.