1girl, animal_print, ass, balloon, black_hair, black_headwear, black_shirt, black_thighhighs, blush, breasts, choker, content_rating, fake_horns, frilled_choker, frills, heart_balloon, horned_headwear, horns, legs_up, leopard_print, long_sleeves, lying, medium_breasts, on_back, polka_dot_thighhighs, shirt, smile, solo, thighhighs, yellow_eyes, mayuzumi_fuyuko, idolmaster, idolmaster_shiny_colors, year_2023, 