All Kagrra, translations, most of which are done by Sparrow unless otherwise credited, can be found at Demon Passion.
- the entirety of Isshi’s lyrics (CROW, Kagrra, shiki∞project～志陰謀～)
- Isshi’s published stories from Sacra photobook, CD Data magazine, and his posthumous book 音怪 一志耳袋 (Onkai Isshi Mimibukuro)
- Isshi’s magazine columns 徒然日記 (Tsurezure Nikki) and 童謡浪漫譚 (Douyou Roumantan)
- interviews with Isshi, as well as full-band interviews
- snippets from Auga (fanclub) content.
Demon Passion is updated with a new translation at least once monthly.