1girl, alternate_costume, arknights, arms_up, bed_sheet, black_pants, blush, breasts, grey_hair, hair_ornament, horns, large_breasts, long_hair, long_sleeves, looking_at_viewer, lying, mudrock_(arknights), on_back, on_bed, open_mouth, pants, pointy_ears, red_eyes, red_ribbon, ribbon, risshu, sleeves_past_wrists, solo, sweater, thigh_gap, very_long_hair, white_sweater