baseballbat spanking by girl group

There is a spanking scene "Nonoshitte Tonight",October 17, 2014.

In the last part of this episode (around 37:45) ,Nishio MAU is spanked (by un-known member) and next MAU spanks this girl with baseballbat.

MAU and she are member of "Through Skills" and as a penalty game,they are punished in that way.