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.
Her name was Aoba-chan.
كان اسمها أوبا-تشان
Sie hieß Aoba.
Se llamaba Aoba.
Se llamaba Aoba.
Elle s’appelait Aoba.
Aoba-chan, così si chiamava.
Seu nome era Aoba-chan.
Её звали Аоба.