Why did not they used this gate?
In this arc a tempo was stuck at the main entrance of the Gokuldham society and people were stuck in the society. But in other episodes when there was construction going on at the same entrance, people used the other gate to come and go.
In this arc a tempo was stuck at the main entrance of the Gokuldham society and people were stuck in the society. But in other episodes when there was construction going on at the same entrance, people used the other gate to come and go.