1girl, d, ahoge, ambience_synesthesia, amiya_(arknights), animal_ear_fluff, animal_ears, arknights, bare_legs, black_dress, blue_eyes, blue_ribbon, blush, brown_hair, detached_collar, dress, feet_out_of_frame, henz, knees_up, long_hair, looking_at_viewer, neck_ribbon, off-shoulder_dress, off_shoulder, official_alternate_costume, open_mouth, ponytail, rabbit_ears, ribbon, simple_background, sitting, smile, solo, very_long_hair, white_background