上位 じょうい蜃気 しんき ろうじゃなかったです
jōishinkirōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 上位蜃気楼

1. Wasn't a top mirage.; Wasn't a higher illusion.

Past/Perfective
Negative
Polite
Casual Register