Grand Whipping: I Reminisce of Summer Days

After spinning 320,000 times, Bentham performs a kick using the momentum of the spins to increase the strength. Due to the speed of the spins it takes three seconds to prepare and the amount of damage delt put a significant crack in tsunade's face on the Hokage monument.

Kyusuke claimed that Tsunade's face did look like a baby's bottom now. When Naruto didn't understand he pointed it out saying "it has a huge crack down the middle".