AGENT DEVICE, SYSTEM, CONTROL METHOD OF AGENT DEVICE, AND STORAGE MEDIUM

An agent device includes one or more agent controllers configured to provide a service including causing an output device to output a response of voice according to a voice of an occupant which is collected in a vehicle interior of a vehicle, a receiver configured to receive an input from the occupant, and a starting method setter configured to change or add a starting method of the agent controller on the basis of content received by the receiver.