1girl, arms_under_breasts, bikini, black_bikini, blue_archive, blush, breasts, cleavage, collarbone, crossed_arms, full-face_blush, halo, halterneck, long_hair, looking_at_viewer, medium_breasts, msrn39, navel, purple_eyes, purple_hair, side-tie_bikini_bottom, simple_background, solo, sweatdrop, swimsuit, two_side_up, very_long_hair, white_background, yuuka_(blue_archive)