minami (colorful palette), hiiragi tsukasa, lucky star, 00s, 1girl, alternate hairstyle, arched back, bikini, blue eyes, blush, body blush, breasts, female focus, flat chest, front-tie top, hair ribbon, looking at viewer, parted bangs, pink bikini, polka dot, polka dot bikini, polka dot swimsuit, ponytail, profile, purple hair, ribbon, short hair, side-tie bikini bottom, simple background, small breasts, solo, swimsuit, underboob, upper body, wet, white background