kumatsuki_(no-kirin), mukai_takumi, year_2024, 1girl, bikini, black_bikini, black_choker, black_hair, breasts, character_name, choker, collarbone, front-tie_bikini_top, front-tie_top, green_eyes, happy_birthday, highleg, highleg_bikini, large_breasts, linea_alba, long_hair, looking_at_viewer, navel, orange_background, smile, solo, stomach, swimsuit, very_long_hair, absurdres, commentary_request, highres, idolmaster, idolmaster_cinderella_girls