FAA-299 - Infiltrating the legendary big-butt specialty shop in Ikebukuro!

It's Yuzu Serizawa. Usually, her job is to be the reliable background extra while the lead actress gets it on. This video, where she appears continuously for 60 minutes, might actually be quite rare. I wish they'd stop putting black borders in front of the camera to simulate a 'hidden camera' look; it just makes the screen feel cramped.