Re:Zero kara Hajimeru Isekai Seikatsu: Dai-4 Shou - Seiiki to Gouyoku no Majo

Re:ゼロから始める異世界生活 第四章 聖域と強欲の魔女

On to the next stage: the witch's tomb known as the Sanctuary-Determined to release Rem from a mysterious slumber, Subaru and Emilia return to Roswaal's manor in search of clues on how to reach the Sanctuary, the secret location to which Ram and Roswaal escaped. But the way there is fraught with the unexpected-especially for Subaru, who finds himself in the company of a curious figure. A new chapter begins, and with it, a new adventure... (Source: Yen Press)