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