にじゅうはちせいひさごむしでしょう
二十八星瓢虫でしょう
nijūwa chiseihisago mushideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of にじゅうやほしてんとう

1. Twenty-eight-spotted lady beetle, probably.

Polite
Presumptive
Conjecture
Usually Written in Kana