ポスト団塊 だんかいジュニアでしょう
posutodankaijuniadeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ポスト団塊ジュニア

1. Probably post-Boomer generation.; Probably a younger Boomer.

Polite
Presumptive
Conjecture