1girl, arms_up, bed_sheet, black_shirt, blue_eyes, blue_jacket, blush, closed_mouth, hair_between_eyes, hair_spread_out, jacket, long_hair, long_sleeves, looking_at_viewer, lying, navel, on_back, open_clothes, open_jacket, project_sekai, shirt, short_sleeves, smile, solo, t-shirt, tsune_(tune), very_long_hair, white_hair, yoisaki_kanade