{{MusicArticle
| titlejp     = 玻璃の心 {{lang|en|e.p}}
| titlejprom  = hari no kokoro e.p
| titleen     = Heart of Glass e.p
| group       = {{天狗ノ舞|link}}
| groupCat    = {{天狗ノ舞|en}}
| released    = 2018-05-06
| convention  = Reitaisai 15
| tracks      = 3
| length      = 
| genre       = {{Genre|Rock}}, {{Genre|Vocal}}
| website     = 
| image       = 玻璃の心 e.p.jpg
| banner      =
| caption     = Pictured: [[Shinmyoumaru Sukuna]]
| producer    = 
| illustrator = 
| designer    = 
| masterer    = 
| other_staff = ;Arrangement & Lyrics
:{{玖}} ([[天狗ノ舞]])
;Vocals
:{{電気}}
;Illustration
:{{lang|ja|かがみ}} ([https://twitter.com/s0324024 ラサラス心中])

| description = 
| autogendesc = vocal
| tracklist   = 

*{{Track|01|{{lang|ja|首なしガール}}| |lyrics=Lyrics: 首なしガール}}
**''Headless Girl''
**arrangement: {{玖}}
**lyrics: {{玖}}
**vocals: {{電気}}
**original title: {{lang|ja|柳の下のデュラハン}}
**source: {{DDC}}
**first release: [[牙と片喰 e.p]]

*{{Track|02|{{lang|ja|逆鱗}}| |lyrics=Lyrics: 逆鱗}}
**''Taboo''
**arrangement: {{玖}}
**lyrics: {{玖}}
**vocals: {{電気}}
**original title: {{lang|ja|秘境のマーメイド}}
**source: {{DDC}}

*{{Track|03|{{lang|ja|針の筵}}| |lyrics=Lyrics: 針の筵}}
**''Bed of Nails''
**arrangement: {{玖}}
**lyrics: {{玖}}
**vocals: {{電気}}
**original title: {{lang|ja|輝く針の小人族　～}} Little Princess
**source: {{DDC}}

}}