Coat Corporation Co. Ltd (株式会社コートコーポレーション, Kabushiki gaisha Kōto Kōporēshon) is a gay video production company in Japan.

In 1996, a male high school student was told to "not appear in the video" on the streets of Setagaya, but he agreed that he "would take off his pants for ¥2,000" or "¥50,000 for thirty minutes" and was filmed naked in a nearby karaoke box, and led to seven people, including Corporation President Hayato Eroshima, getting arrested for violation of the Employment Security Law (recruitment for harassment work purposes).

[2][3] A Midsummer Night's Wet Dream (Japanese: 真夏の夜の淫夢, Hepburn: Manatsu no Yo no Inmu), a porn produced by Coat Corporation, gained public attention in 2002 after professional baseball player Kazuhito Tadano was found to be in the cast.

Soon after the founding of Japanese video-sharing website Niconico in 2007, Internet users began to upload video mash-up parodies mocking this scandal.

[6][7][8][9] The central figure of Inmu videos is Yaju Senpai (Japanese: 野獣先輩), an actor appearing in the original porn, who is parodied the most.