A working system (100) includes: a working actuator (26) installed on a working machine (1); a camera (21) and a microphone (22) detecting a state of a user changing in accordance with a satisfaction level; a rework determining unit (11) determining whether a rework is needed based on the detected state of the user after a predetermined work is performed by the working machine (1); and an actuator controlling unit (15) controlling the working actuator (26) to perform the rework when it is determined by the rework determining unit (11) that the rework is needed.