3girls, armpits, arms_behind_head, bad_twitter_id, barbara_(genshin_impact), barbara_(summertime_sparkle)_(genshin_impact), bikini, blonde_hair, breasts, cloud, day, floating, from_below, genshin_impact, holding, holding_innertube, innertube, lumine_(genshin_impact), multiple_girls, open_mouth, outdoors, paimon_(genshin_impact), partially_submerged, sidelocks, swimsuit, the_olphy, twintails, water, white_bikini, white_hair, yellow_eyes