nishieda, yoshizumi mayuka, 0verflow, imouto de ikou!, original, traditional media, 00s, 1girl, analog clock, barefoot, bed, bird, blonde hair, blue eyes, blue panties, blush, clock, covering own mouth, duck, feet, female focus, flat chest, hair ornament, hand over mouth, hand over own mouth, indoors, legs up, loli, long hair, long sleeves, looking at viewer, lying, navel, no pants, on back, on bed, pajamas, panties, sketch, smile, solo, star (symbol), star print, striped clothes, striped panties, stuffed animal, stuffed toy, thigh gap, thighs, twintails, underwear, upside-down, very long hair, window