"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.
You were the only normal person in the Shinsengumi.
Tú eras la única persona normal en el Shinsengumi.
Você era a única pessoa 
normal do Shinsengumi.