居い残のこる

godan verb (-ru), intransitive verb

stay behind; remain; work overtime

Covers staying after others leave, remaining in a place, or working overtime. The 'work overtime' nuance is common in office contexts.

• 会かい議ぎの後あと、彼かれだけが居い残のこって片かた付づけをした。

  After the meeting, only he stayed behind to clean up.

• 今日きょうは仕し事ごとが終おわらなくて、遅おそくまで居い残のこった。

  I couldn't finish my work today, so I stayed late (worked overtime).