むね白河 しらかわ からすではありませんでした
muneshirakawakarasudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 胸白河烏

1. Was not a white-breasted crow.; Was not a yokutake (mushroom).

Past/Perfective
Negative
Polite
Formal Register