hakuji (kimetsu no yaiba), koyuki (kimetsu no yaiba), kimetsu no yaiba, 1boy, 1girl, arms around neck, black hair, blue eyes, blush, carrying, carrying person, closed mouth, couple, hair pulled back, half-closed eyes, japanese clothes, kimono, long sleeves, looking at another, m emo log, milestone celebration, parted bangs, pink eyes, pink kimono, polka dot, polka dot kimono, princess carry, sandals, short hair, simple background, socks, updo, white socks