A system includes a sensor that detects motions of a first portion and a second portion of a body of a user, a controller that sets an association relationship between a coordinate system of a real space and a coordinate system of a virtual space in response to the motion of the first portion and receives an operation for an object in the virtual space in response to a position and the motion of the second portion, and a notification device that contactlessly notifies a third portion of the body of prescribed information.