1girl, armpits, bangs, black hair, black panties, blush, breasts, china dress, chinese clothes, covered mouth, covering mouth, double bun, dress, embarrassed, hair bun, hand on own face, heart, idolmaster, idolmaster shiny colors, leg up, long sleeves, looking at viewer, medium breasts, morino rinze, navel, panties, red eyes, side slit, simple background, solo, split, spoken heart, standing, standing on one leg, standing split, thighhighs, thong, underwear, yoi naosuke