To solve the problems that it is difficult for people around to notice a molestation act and that a molested person has to take courage and bravery even to appeal a molested state though women victims by molestation acts in a train are increased.

This reporting device is installed near the door of a car, or the like to thereby emit sound when the molested person pushes the reporting device. The sound promotes awareness of people around to be able to stop a molestation act. Even the installation of the reporting device can be deterrence to molestation acts. The reporting device is also used to send a message to a crew's room. Therefore it can cope with other troubles.