eien12m, mermaid (megami tensei), shin megami tensei, highres, 2girls, arms behind back, blue hair, breasts, collarbone, colored skin, dated, demon (megami tensei), fire, flaming skull, floating skull, green eyes, green hair, grey skin, long hair, looking at another, looking at viewer, merfolk, mermaid, monster girl, multiple girls, navel, nude, one-eyed, red eyes, scales, simple background, skull, small breasts, tlazolteotl (megami tensei), white background