"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.
I was so focused on the details that I lost sight of the big picture!
¡Estaba tan concentrada en los detalles que perdí de vista el panorama general!
Me foquei tanto nos detalhes que 
perdi a visão geral da coisa!