1girl, armpit_crease, bikini, bikini_top_only, black_bra, blue_archive, blush, bra, breasts, closed_mouth, collarbone, full_body, halo, jacket, kani_(1f980), long_hair, long_sleeves, looking_at_viewer, mermaid, monster_girl, monsterification, navel, off_shoulder, open_clothes, open_jacket, purple_eyes, purple_hair, sidelocks, simple_background, small_breasts, solo, swimsuit, two-sided_fabric, two-sided_jacket, two_side_up, underwear, white_background, yuuka_(blue_archive)