"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.
Despite all the work, I wasn't very popular.
A pesar de todo el trabajo, yo no era muy popular.
Apesar de todo meu esforço, 
não fiz sucesso.