/jp/ - Otaku Culture

help!
long ago i watched a mv in what i can remember was shot in a "one-single-shot" style
the girls wore funny dresses and did things like putting their heads on.. those things where you can put your head on and pretend to be another person, dunno how they are called (like pic related)
thing is, it was a really fun and bouncy music video featuring a couple of people (staff?) with the girls doing funny stuff

do you know the group or song? (wasn't shachi rocket queen lol)