2boys, 2girls, d, o, ahoge, bikini, bird, blue_eyes, breasts, brown_hair, cloud, coconut_tree, copyright_name, dark-skinned_female, dark_skin, day, fisheye, green_eyes, heterochromia, holding, holding_water_gun, innertube, kitami_sawako, large_breasts, lens_flare, logo, looking_at_viewer, mahjong, mahjong_soul, male_swimwear, multiple_boys, multiple_girls, official_wallpaper, outdoors, palm_tree, partially_submerged, pink_hair, qi_xi, sara_(mahjong_soul), seagull, shinomiya_natsuki_(mahjong_soul), smile, standing, swimsuit, tenbou, tree, umbrella, water_gun, white_hair, yellow_eyes