Anyone, whether a student or an teacher, join a online class (including a network and equipment check screen) and if no one remains in the room for more than 5 minutes, the room will be closed.
Therefore, please make sure to enter and exit the class in advance.
Screen when the video class ends (re-entry not possible)
Entering the network and equipment check page is also considered as joining the online class
(If there are no participants in the online class and the waiting screen is maintained for more than 5 minutes)