Information processing system, system, and information processing method

An information processing system includes circuitry to acquire an external system identification information identifying an external system to be linked through a touch point read with a user terminal used by a user, identify, based on registration information stored in the external system identified by the external system identification information and related to the user, attribute information indicating an attribute corresponding to a set location of the touch point through which a service corresponding to the attribute is to be provided, and transmit, to the user terminal, connection destination information indicating a connection destination of the service corresponding to the attribute.