DROP-OFF ASSIST DEVICE

A device includes a processor configured to: issue an alarm when a movement path condition is met and a prohibition condition is not met, the movement path condition being met when an approaching object of which a predicted movement path is a path along which the object passes by a door of the host vehicle is present; and not issue the alarm when the prohibition condition is met, even when the movement path condition is met, wherein the prohibition condition includes a condition to be met when a difference between a distance in a transverse direction from the host vehicle to a stationary object and a distance in the transverse direction from the host vehicle to the approaching object is equal to or less than a predetermined value in a case where the stationary object is present, the stationary object being stationary at a side of the host vehicle.