ɹˈɪʔn̩ ænd ˈɪləstɹˌeɪɾᵻd baɪ nˈeɪɑːki jˌæmɐmˈoʊɾoʊ, bᵻlˈiːvɚz wʌz sˈɪɹiəlˌaɪzd ɪn ʃˈɑːɡɐkjˌuːkənz sˈeɪnən mˈæŋɡə mˌæɡɐzˈiːn wˈiːkli bˈɪɡ kˈɑːmɪk spˈɪɹɪts fɹʌm mˈeɪ twˈɛnti fˈoːɹ tə noʊvˈɛmbɚ twˈɛnti tˈuː, nˈaɪntiːnhˈʌndɹɪd nˈaɪnti nˈaɪn.
Written and illustrated by Naoki Yamamoto, Believers was serialized in Shogakukan's seinen manga magazine Weekly Big Comic Spirits from May 24 to November 22, 1999.