bᵻlˈiːvɚz wʌz sˈɪɹiəlˌaɪzd ɪn ʃˈɑːɡɐkjˌuːkənz sˈeɪnən mˈæŋɡə mˌæɡɐzˈiːn wˈiːkli bˈɪɡ kˈɑːmɪk spˈɪɹɪts bᵻtwˌiːn mˈeɪ ænd noʊvˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd nˈaɪnti nˈaɪn ænd pˈʌblɪʃt ɪn tˈuː wˈaɪdbən vˈɑːljuːmz baɪ ʃˈɑːɡɐkjˌuːkən.
Believers was serialized in Shogakukan's seinen manga magazine Weekly Big Comic Spirits between May and November 1999 and published in two wideban volumes by Shogakukan.