Uploaded November 2022 | Updated September 2026, 1 day ago

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This theme is a royalty-free composition.
Plays when fighting Eientei.

Original name: 【Ｄ】
Composer: Rengoku Teien (煉獄庭園)
Full archive of their music: archive.org/details/rengoku-teien

Background artist: 久蒼穹＠お仕事募集中
Source: pixiv.net/en/artworks/97050909