NOOOOOOO!Hey! You box there!
Shut up!N-No...What were you doing!?
You're too late!!
Sheesh! You ruined everything!You went and abandoned Kitakami-san, huh!? The same Kitakami-san who happily welcomed you into the fold even when you were just a stray!?Kitakami-sang...
I couldn't protect you ah...
This guy talks in katakana, indicating that (in this context) he's not that fluent with the language. Judging by his mustache and a possible pun with Naka Zhang/Chan, the accent is likely intended to be Chinese.
To the kind Kitakami-sang!!
O sorlee, Ooi-sang...
They said that Kitakami's team had a winner's chicken dinner afterwards.