one-person operation; solo staffing
Abbreviation of ワンオペレーション. Used for running a shop, restaurant, or service counter alone. Common in retail and food-service contexts.
See also: ワンオペレーション
The part-timer is off today, so the manager is running the shop solo.
A convenience store with only one person on duty at night raises security concerns.
solo parenting; taking care of a child alone
Abbreviation of ワンオペレーション, extended to childcare. Refers to one parent handling all child-rearing tasks without help, often implying a heavy burden.
My husband comes home late, so I'm exhausted from solo parenting every day.
Taking care of two kids all by yourself is really tough.