Gintoki and Takasugi reveal to each other what they've been doing over the past two years, and decide to go save the one thing they never managed to save in the past: their teacher.
Maybe it's your resolve that's 
wavering and wandering.
.ربّما الشّيء المتذبذب هنا هي عزيمتك
Lo que vagaba por ahí
era tu determinación.
O que ainda não encontrou
não é a sua própria decisão?