"Everyone looks pretty grown-up after summer break"
Shinpachi finds himself in stuck in a completely different world.  That is when the Shinsengumi sends a berserk Yamazaki to pick up the bewildered Shinpachi.
And I now have the means to exploit that weakness.
Y ahora tengo los medios para explotar esa debilidad.
E agora eu posso explorar essa fraqueza.