1girl, bare_shoulders, blush, breasts, casual_one-piece_swimsuit, closed_mouth, collarbone, finger_heart, heart, hoshino_ai_(oshi_no_ko), long_hair, looking_at_viewer, one-piece_swimsuit, one_eye_closed, oshi_no_ko, purple_eyes, purple_hair, sidelocks, smile, solo, star-shaped_pupils, star_(symbol), swept_bangs, swimsuit, symbol-shaped_pupils, tongue, tongue_out, tsukino_(nakajimaseiki), white_background, white_one-piece_swimsuit