Fierce battle between cats wearing cardboard boxes

A movie in which two cats fight a fierce battle to put cardboard on the bed. A black cat boldly attacks brown cats that are now bedding.

The battle where both sides do not yield one step is very intense, it seems that they are watching the battle scenes of the dragon ball.

Details are from the following.
Cat Box Fight Video


First of all brown cats first. Black cats desperately endure.


Oops! The left foreleg directly hit the face of a black cat. This seems to be quite effective.


The black cat is not defeated either. A counter punch where a brown cat tried to punch out.


A powerful right straight hit after that.


How long will this fight continue?