COOPERATION METHOD BETWEEN AGENTS AND NON-TRANSITORY STORAGE MEDIUM

A cooperation method between agents includes allowing a first agent installed on a first vehicle and a second agent installed on a second vehicle to cooperate with each other, specifying first information regarding future driving of a first driver aboard the first vehicle, by the first agent, acquiring the first information, by the second agent, and notifying a second driver aboard the second vehicle of first driving assistance information derived based on the first information.