⚪ Shuumatsu no Valkyrie Kitan: Jack the Ripper no Jikenbo ⚪ Shuumatsu no Walküre Kitan: Jack the Ripper no Jikenbo ⚪ Record of Ragnarok: The Jack of the Ripper Case Files ⚪ Record of Ragnarok: Jack the Ripper Case Files ⚪ The Jack the Ripper Case Files ⚪ 終末のワルキューレ奇譚 ジャック・ザ・リッパーの事件簿 ⚪ Jack the Ripper no Jikenbo
Shuumatsu no Walküre spin-off that focuses on Jack the Ripper.