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.
You're nice.
أنتِ لطيفة
Jetzt bist du nett.
Eres amable.
Eres amable.
T’es gentille.
Sei gentile.
Você é gentil.
Добрая.