The world I live in is different from the normal world.
The difference between boys and girls is particularly big. A table that boys can pick up with two hands requires three people to move it for girls.
Maybe this world, in order to protect girls, has given us a special skill - traveling through different worlds.
Yes, that's what you heard.
Only girls can enter the other world.
People in the original world cannot see people in the other world, but people in the other world can see people in the original world.
To put it simply, it means turning yourself into a ghost state.
However, most boys don't know this skill of girls, and each girl can only enter the different world once a day.
So girls generally don't use skills in front of boys.
Except for unavoidable circumstances, such as...
Purpose: Protect the world (?