1girl, ahoge, ass, bad_twitter_id, barefoot, blue_archive, blush, closed_eyes, closed_mouth, feet, greyscale, hoshino_(blue_archive), legs, long_hair, long_sleeves, lying, matcha_(mattyan), monochrome, on_side, panties, pleated_skirt, shirt, skirt, sleeping, smile, soles, solo, toes, underwear, white_background