1boy, 1girl, artist name, blue eyes, blunt bangs, brother and sister, chasing, closed eyes, comic, cup, hat, hat removed, headwear removed, holding, holding clothes, holding cup, holding hat, jacket, long sleeves, looped braids, official alternate costume, open mouth, outstretched arm, pants, running, siblings, sitting, smile, white hair, white jacket, white pants, wide sleeves