1girl, beach, beach_mat, bikini, bird, blue_archive, brown_eyes, brown_hair, commentary, english_commentary, frilled_bikini, frills, hair_between_eyes, halo, hifumi_(blue_archive), hifumi_(swimsuit)_(blue_archive), knees_up, long_hair, looking_at_viewer, low_twintails, lying, navel, official_alternate_costume, official_alternate_hairstyle, on_back, outdoors, parted_lips, peroro_(blue_archive), sidelocks, sixten, spaghetti_strap, stomach, swimsuit, twintails, white_bikini