Otaku No Video
おたくのビデオ (original)
A hilarious mockumentary featuring an animated tale of an average person who slowly becomes an otaku (obsessive fanatic) and eventually becomes the "Otaking"! Between story segments, live action interviews with fictional die-hard otakus take place.
Starring Koji Tsujitani, Toshiharu Sakurai, Kikuko Inoue, Yuuko Kobayashi, Yuri Amano, Akio Otsuka, Shigeru Nakahara, Toshiyuki Morikawa, Wataru Takagi, Masami Kikuchi
It's a animation and comedy movie, and has a rating of 7.1 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Indonesia.