Believers (ビリーバーズ, Biriibaazu) is a Japanese seinen manga by Naoki Yamamoto and is his first weekly serial manga created entirely without the help of any assistants.Believers was first serialized in Weekly Big Comic Spirits between May and November 1999 and is published in two tankōbon by Shogakukan. The plot to Believers revolves around themes of sexual desire and the line between dreams and reality.