4girls, d, ;d, bikini, bikini_skirt, blonde_hair, blue_sky, dark-skinned_female, dark_skin, day, dutch_angle, fangs, grey_hair, group_hug, hololive, hololive_fantasy, houshou_marine, hug, hug_from_behind, lens_flare, multiple_girls, nemu_iine, ocean, one_eye_closed, open_mouth, outdoors, red_hair, shiranui_flare, shirogane_noel, shirogane_noel_(summer_2020), sky, smile, summer, swimsuit, usada_pekora, virtual_youtuber, water