Kazuya has barely dealt with the aftermath of Mami's visit when he gets another aggressive visitor!
I-I was just curious... 
Like, social research?
،شـ-شعرتُ بفضولٍ فحسب
شيءٌ من قبيل البحث الاجتماعيّ؟
Es war pure Neugier,
so als Gesellschaftsstudie.
Era curiosidad, un experimento social.
Era curiosidad, un experimento social.
Je voulais tenter l’expérience
par curiosité.
E-Ero solo curioso... 
sai, tipo uno studio sociologico, ecco!
S-Só fiquei curioso.
Sabe, pela experiência social?