Because the lock is there.
There is Endo, a key expert, who would open all the over the lock haphazardly and unconscious.
Endo come to burlesque of Nipponbashi to find his daughter.
In burlesque, 2 dancers have spent leisurely waiting for their turn as usual.
At that time, parent and child of giraffes escape from the cage of Tennoji Zoo!
They go to burlesque!
It's a marchen action play provided by Full moon zoo!