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.
That might've been
the only reason at first,
،لعلّ ذلك كان السّبب الوحيد في بادئ الأمر
Das war womöglich anfangs der Grund.
Puede que al inicio fuera así,
Puede que al principio fuera así,
C’était peut-être vrai au départ.
Forse è stato il rimorso a motivarla, all'inizio,
No começo pode ter sido isso,
Поначалу кажется, что причина в этом,