"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.
These people are actually going to train themselves next time.
Estas personas van a entrenarse la próxima vez.
Esse povo vai mesmo 
treinar da próxima vez.