1girl, 1other, ?, arknights, bad_pixiv_id, bare_shoulders, belt, black_jacket, black_shorts, blue_belt, breasts, cellphone, ch'en_(arknights), cowboy_shot, doctor_(arknights), dragon_horns, dragon_tail, grey_background, hair_between_eyes, holding, holding_phone, horns, jacket, kanta_(kanta_077), long_sleeves, low_twintails, navel, necktie, off_shoulder, open_clothes, open_jacket, open_mouth, phone, shirt, short_shorts, shorts, simple_background, sleeveless, sleeveless_shirt, smartphone, solo_focus, standing, tail, thighs, twintails, white_shirt, yellow_necktie