noun
at-home overtime; work brought home
Refers to overtime work done at home, often unpaid, as opposed to staying late at the office. Related to サービス残業 (unpaid overtime).
See also: サービス残業 (サービスざんぎょう)
最近、持ち帰り残業が増えて、家でも仕事をしている。
Lately, I've been doing more at-home overtime, working even at home.
持ち帰り残業はサービス残業になりがちだ。
At-home overtime tends to become unpaid overtime.