"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 don't see you for a while, and you need glasses for your brain now, an?
No te veo por un tiempo, y ahora necesitas anteojos para tu cerebro, ¿an?
Não te vejo por um tempo e agora você 
precisa de óculos para o cérebro, hein?