1girl, bikini, blue_archive, blush, breasts, brown_eyes, brown_hair, from_below, halo, horns, izumi_(blue_archive), izumi_(swimsuit)_(blue_archive), large_breasts, nail_polish, navel, nekoshoko, octopus, official_alternate_costume, open_mouth, outdoors, red_bikini, red_nails, side-tie_bikini_bottom, smile, stomach, swimsuit, tentacles, thighs, underboob