CAN SOMEONE PLEASEEEEEE TELL ME THE NAME/SERIES OF THIS GIF!!

I know it's just a gif. but it would mean a lot to me if anyone could remember where this came from. I watched pretty much every Block B video there is, but i have not seen this one. I havent been in touch with Block B as such as I used to when match up ended and that lawsuit, which breaks my heart and caused me to cry for 2 hours straight... dont judge me..., and i wasnt so in touch with them as many groups debuted and i watched a lot of different varitey shows...

Damn you, BTS. LC9, Infinite, and Beast... little bit of f(x) too...

But i think it's farly new so that's i never seen it. I just want to remain a loyal BBC and watch it...