{{Circle
| arrangement =Y
| name        =ヘルガプリズン
| name_en     =Helga Prison
| profile_pic =
| pic_desc    =
| audio1      =
| audio1_desc =
| logo        =Helga_Prison_banner.gif
| intro       =
| dates       =2011 - Present
| url         =http://helgaprison.zatunen.com/
| genre       =
| members     =
: {{麻宮ミヤネ}}
: {{桜井土星}}
: {{ハシモ}}
| description =

| discography =

{{DiscographyItem|ヤンデレのこいしちゃんに死ぬほど愛されて眠れないCD|ヤンデレのこいしちゃんに死ぬほど愛されて眠れないCD.jpg|2011-05-08|Reitaisai 8|An album featuring vocal drama tracks.}}

{{DiscographyItem|はたてちゃんの生前葬CD ～お悔やみ申し上げます～|はたてちゃんの生前葬CD_～お悔やみ申し上げます～.jpg|2012-05-27|Reitaisai 9|A collaboration album with '''[[Satellite Himawari]]''' featuring vocal and instrumental arrangements of themes from ''[[Subterranean Animism]]'' and ''[[Double Spoiler]]'' plus a few original tracks and vocal drama tracks.}}

{{DiscographyItem|Who crooner?|No image.jpg|2012-07-08|Chireisai 1|A collaboration album with '''[[Kiwi Box]]''', '''[[MORATORIUM]]''' & '''[[毒苺畑]]''' featuring vocal arrangements of themes from ''[[Subterranean Animism]]''.}}

}}