nilitsu, astraea (danmachi), ryu lion, dungeon ni deai wo motomeru no wa machigatteiru darou ka, highres, novel illustration, official art, third-party source, 2girls, bare shoulders, breasts, closed eyes, cuddling, dress, elf, greyscale, head on pillow, indoors, large breasts, long hair, medium hair, monochrome, multiple girls, off-shoulder dress, off shoulder, on bed, parted lips, pillow, pointy ears, sleeping, yuri