What is this series called?

Videos Requests & Questions
1

This Series involves the gaki members in making new batsu punishments.
All gaki members are suppose to make new batsu punishments and participate in the punishment i have the vid but they dont state the series name.
I need an idea of what the series is called. would someone enlighten me ? thanks. :D

2

Batsu Experiment, its only 2 eps

3

[quote="Danny_321":1f3qptq2]Batsu Experiment, its only 2 eps[/quote:1f3qptq2]

Arigatou Gosaimasu!!!