"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.
Medical scientists have finally determined the source of this malady.
Los científicos médicos finalmente han determinado la fuente de este mal.
Médicos finalmente identificaram 
a fonte desse mal.