With a number of controversial books that disturbed the Japanese society and its erotic manga comics, the company has established itself like a source of provocative "subculture" items.
[1] In 1989, Ohta published the famous book The Age of M[2] about serial child murderer Tsutomu Miyazaki and started establishing itself like a source of provocative "subculture" items.
In 1993 Ohta released the book The Complete Manual of Suicide and in 1999 Battle Royale, which shook Japanese society.
[1] At the end of the 1990s, the company also started working with manga artist Naoki Yamamoto, dubbed the master of erotics[by whom?
[1] Some other recent manga titles include Miyamoto kara Kimi e[3] and Kami no Kodomo.