Rule 34 Dev - +_+ 1girl absurdres alcohol ambience_synesthesia antenna_hair arknights armchair bare_legs bare_shoulders barefoot belt black_dress black_hat bottle breasts brown_eyes ceiling_light chair cleavage crossover demon_girl demon_horns demon_tail dress feet foot_out_of_frame grey_hair hat highres holding holding_unworn_clothes holding_hat holding_unworn_clothes horns indoors instrument legs ling_dianxia looking_at_viewer medium_breasts multicolored_hair night official_alternate_costume parted_lips piano radio red_hair shelf short_hair sitting smile solo tail thigh_strap toes two-tone_hair unworn_hat unworn_headwear w_(arknights) window|18662876388