3girls, ahoge, animal_ear_fluff, animal_ears, azur_lane, breast_envy, breasts, brown_hair, flat_chest, grey_hair, huge_breasts, long_hair, manjuu_(azur_lane), multiple_girls, nagato_(azur_lane), no_nipples, onsen, red_eyes, rock, shinano_(azur_lane), shouting, sleeping, sunset, taihou_(azur_lane), torimahera, towel, towel_on_head, very_long_hair, wading, water