Anybody know this band

Ive been listening to this group for a while and i cant seem to find them anywhere besides spotify has anybody heard of them or has their youtube or site?

For more info:

Official Youtube
Their label Kalmian Joker has PVs listed here

This was the only PV of theirs also posted by Planet Child Music

Omg thank you!!

Not to be confused with Aya Matsuura and Fujimoto Miki’s brief duo project GAM (Which is great by the way ;)) Gyaru Aya Miki!!!