懐古 かいこ くりやじゃありませんでした
kaikokuriyajārimasendeshita

Noun
Desu Copula

The polite, past negative form of 懐古厨

1. Was not a nostalgia enthusiast.; Was not dwelling on the past.; Was not a retro-obsessive.

Past/Perfective
Negative
Polite
Terminal Form