自己 じこ啓発 けいはつじゃなかったです
jikokeihatsujanakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of 自己啓発

1. Self-improvement wasn't.; I wasn't working on self-improvement.

Past/Perfective
Negative
Polite
Casual Register