"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.
I will eliminate anyone who stands in the way of my ambition.
Eliminaré a cualquiera que se interponga en el camino de mi ambición.
Vou eliminar todos que se 
opuseram à minha ambição.