Shuumatsu no Valkyrie Kitan – Jack the Ripper no JikenboShuumatsu no Valkyrie Kitan - Jack the Ripper no Jikenbo; 終末のワルキューレ奇譚 ジャック・ザ・リッパーの事件簿; The Jack the Ripper Case Files; Record of Ragnarok: The Jack the Ripper Case Files; Повесть о Конце Света: Досье Джека-потрошителя; Справи Джека-Різника; Record of Ragnarok Curious Tale: The Jack the Ripper Case Files

In 1888, a number of prostitutes were murdered in London, by someone known only as "Jack the Ripper". The murderer takes to the streets each day, looking to slit some unfortunate woman open... The past of Jack the Ripper, the English gentleman who represented the human side in the fourth round of the struggle between God and mankind known as Ragnarok, who was one of the top-three most popular characters in the character poll, is finally revealed!