kuma yasuhisa, ryuuka obsidian, van sirius, dungeon no osananajimi, commentary request, highres, 1boy, 3girls, artist name, ball, beachball, bikini, black bikini, blonde hair, blue hair, blue male swimwear, blue sky, braid, braided ponytail, breasts, brown eyes, brown hat, cleavage, copyright name, cover, cover page, dark-skinned female, dark skin, dragon girl, dragon horns, dragon tail, fang, harpy, hat, holding, holding ball, holding beachball, holding own arm, horns, looking at viewer, male swimwear, manga cover, medium breasts, monster girl, multiple girls, navel, open mouth, red hair, sky, smile, solo focus, sun hat, swimsuit, tail, teeth, upper teeth only, wading, water, yellow eyes