kansou (kanso 1), flowey (undertale), sans (undertale), undertale, utdr (toby fox), absurdres, bad id, bad pixiv id, highres, inactive account, 1boy, :d, alternate universe, aqua eyes, blue jacket, drawstring, drop shadow, fangs, film grain, flaming eye, flower, flower over eye, gloves, grey hood, grin, hands up, hood, hood down, hooded jacket, jacket, long sleeves, looking ahead, looking at viewer, male focus, multicolored eyes, one eye covered, open clothes, open jacket, open mouth, red background, saliva, shirt, simple background, skeleton, skin fangs, smile, solo focus, sweat, tearing up, thorns, twitter username, two-tone eyes, upper body, watermark, white eyes, white gloves, white shirt, yellow eyes, yellow flower