katsuko, buster-kun, original, the pillows, looking away, bad id, bad pixiv id, 1girl, ahoge, bathroom, clock, curtains, english text, female focus, head rest, jacket, knees together feet apart, long sleeves, looking to the side, no socks, open mouth, panties, panty pull, pleated skirt, short hair, sitting, skirt, slippers, solo, stuffed animal, stuffed toy, toilet, toilet paper, toilet use, towel, underwear, unzipped, window, zipper