Gintoki, Kagura, Shinpachi, Kondo, and Hijikata are the only five remaining who can protect the shogun from the Yato onslaught.
So they really did have a secret path.
كان لديهم معبر سري بالفعل إذًا
Sabía que debía haber
 un camino escondido.
Então eles tinham mesmo
 um caminho secreto.