via 이마고로지 IMAGOLOGY.
[M/V, IMAGOLOGY] Prayer — MBLAQ
[M/V, IMAGOLOGY] Play That Song — G.O(with Yurima)
[Making, IMAGOLOGY] Smoky Girl Making
[Making, IMAGOLOGY] MBLAQ Jacket Recording Site Video
[Promotion, IMAGOLOGY] MBLAQ Concert Promotion Video Individual Version
[Promotion, IMAGOLOGY] MBLAQ Concert Promotion Video
AbsoluteMBLAQ 
what is this IMAGOLOGY things?
account owner of d video
http://www.imagology.net/about.html They were in charge of production of these videos.