りゅう宮城 みやぎじゃありませんでした
ryūmiyagijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 竜宮城

1. It was not Ryūgū-jō.; It wasn't Ryūgū-jō.

Past/Perfective
Negative
Polite
Terminal Form