一いっ己こ

noun, noun which may take the genitive case particle 'no'

personal; private; oneself

Refers to something that belongs to or concerns oneself, often used in formal or written contexts. Can modify nouns with の.

• これは一いっ己この問もん題だいだ。

  This is a personal matter.

• 一いっ己この利り益えきを優ゆう先せんしてはいけない。

  You must not prioritize your own interests.