PERIPHERY MONITORING DEVICE

A periphery monitoring device includes: an acquisition unit configured to acquire a peripheral image captured by an imaging unit that is provided in a vehicle and captures an image of a periphery of the vehicle, and an indicator image that is capable of being superimposed on the peripheral image and serves as an operation indicator of a driver when the driver performs a driving operation of the vehicle; and an image processing unit configured to change the indicator image from a first predetermined height to a second predetermined height and display a transition of the change.