Those who the Tamakoma Branch members happened to meet at a barbecue restaurant are Ninomiya Squad agents, their opponents in B-Rank Wars Round 8.
After getting back to the branch office, Osamu and the other members start developing plans for their final match.  However, a question posed by Hyuse to Chika creates a ripple.
But then...
...لكن حينها
Aber Aoba …
Pero, entonces…
Pero, entonces…
Mais un jour…
Poi, un giorno...
Mas então...
Однажды Аоба...