Nogizaka46’s TV show ‘Nogizaka Koujichuu’ (also known as Nogizaka Under Construction).
The file contains episodes selected by Matsumura Sayuri (ep.111, ep.156, ep.161-162, ep.169-170) which includes unreleased footage, and audio commentary by Matsumura Sayuri, Sakurai Reika and Nakada Kana.