Gintoki helps Shachi, his partner in the mangaka duo Akurogi Musai, confess to a woman he's infatuated with, and later with meeting a deadline.
That is why you fail to 
protect the ones you love.
لهذا السبب تفشل في حماية كل من تحب
Por eso no puedes proteger 
a tus seres queridos.
Por isso não consegue
 proteger os que ama.