"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.
It's possible that they've been infected by Q'Sai Nettles.
Es posible que hayan sido infectados por Ortigas Q'Sai.
É possível que essa pessoa tenha 
sido contaminada por Q'Sai Nettles.