よん じょう はん趣味 しゅみでしょう
yonjōhan shumideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 四畳半趣味

1. Probably a four-and-a-half tatami mat lifestyle.; Likely to be a minimalist/simple life.

Polite
Presumptive
Conjecture