is a manga series by Shimoku Kio about a college club for otaku (extremely obsessed fans of various media) and the lifestyle its members pursue. The title is a shortening of the club's official name, , or "The Society for the Study of Modern Visual Culture". The series has also been adapted into an anime directed by Tsutomu Mizushima. The manga originally ran in Kodansha's monthly manga anthology Afternoon from April 2002 to May 2006, and has been reprinted in nine bound volumes. The ninth and final volume was released in Japan in December 2006.

is a manga series by Shimoku Kio about a college club for otaku (extremely obsessed fans of various media) and the lifestyle its members pursue. The title is a shortening of the club's official name, , or "The Society for the Study of Modern Visual Culture". The series has also been adapted into an anime directed by Tsutomu Mizushima. The manga originally ran in Kodansha's monthly manga anthology Afternoon from April 2002 to May 2006, and has been reprinted in nine bound volumes. The ninth and final volume was released in Japan in December 2006.