As the joint front makes landfall at Kokujo Island, Gintoki puts his plan into action.
If a castle can only be 
breached from the front,
إن كان اقتحام قلعةٍ ما ممكنًا من الأمام فقط
Si solo se puede entrar
por la puerta principal,
Se um castelo só puder 
ser invadido de frente,