Delivery-health is called deliheru generally.
They deliver escort girls whose job is sexual service to a hotel room or home of a male customer.
It is a sexual entertainment without real stores.

The biggest feature is they do not have real stores.
So they do not regulated about location and business time like other sexual entertainments with real stores, such as health or soapland.

They have an advantage that they can open for 24 hours and do not need to pay for a tenant, so the number of delivery-health is increasing.

The escort girls stand by in an waiting room, their houses, or family restaurants and will be driven to the customer's place according to the reservation.

They serve sexual service, such as french kisses, blow job, mutual blow jobs, heavy licking on your body, bathing together, cum in mouth, intercrural sex and so on.

They are basic service with no optional fee.

Optional service with extra fee includes a vibe, rotor, costume play, golden shower ( urophilia ) and so on.

The delivery-health and the escort girl share the basic fee, but optional fee is for the girls in most cases.
So escort girls who are willing to make money are welcome to optional service.