1boy, 1girl, blush, comb, couple, covered mouth, eyelashes, fingernails, from side, hair ornament, hair pulled back, hakuji (kimetsu no yaiba), hand on another's cheek, hand on another's face, hands up, hetero, japanese clothes, kimetsu no yaiba, kimono, kiss, koyuki (kimetsu no yaiba), monochrome, nagasawa setsu, polka dot, polka dot kimono, portrait, profile, short hair, simple background, snowflake hair ornament, spot color, updo