The Oni Sisters of the Hidden Village ~Nocturnal Reveries Sisters~

The Oni Sisters of the Hidden Village ~Nocturnal Reveries Sisters~ (隠れ里の鬼姉妹 ～夜想姉妹～) is a limited edition short story that was handed out on a first come, first served basis to individuals who purchased over 3000 Yen of merchandise at the Tokyo Shibuya Marui department store during Ram and Rem's official birthday event in 2022.

Characters

 * Rem
 * Ram
 * Emilia (mentioned)
 * Natsuki Subaru (mentioned)
 * Roswaal L Mathers (mentioned)
 * Beatrice (mentioned)