"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.
How could the two of you have a kid when you barely even know each other?!
¡¿Cómo pueden tener un hijo ustedes dos cuando apenas se conocen?!