I understand you're looking for information on a very specific topic. However, the details you've provided seem to relate to a particular video or content that might not be widely recognized or discussed in a general context.

However, Pregnancy-themed content does exist in JAV (genres: 孕み , 妊娠 ), but it is strictly regulated and often involves prosthetic bellies or actresses in early pregnancy with medical clearance. No reputable studio has released a title matching “pregnant Natsuki Hatakeyama DWI 01.”

July 6, 2003 (Japan) Japan. Language. Japanese. Cat's eye Volume 1. Production company. Cat's.

Locate where fans review the "DWI" series.