Jie is the seventh of the twelve Sui siblings and is male. He is polite and stiff in demeanor, yet kind toward his customers. He possesses long dragon horns, pointed ears, and a thin white tail. He wears his medium-length light brown hair in a half-up style. He is of average height and is shorter than Yi. He is a merchant who trades in various rare items and is extremely wealthy. He often sells items that appear to belong to his younger brother Yi, who decorates his garden with rare collections, but Yi does not particularly stop him. He constantly nags Yi for his mischievous behavior, but he cherishes him as family. Unusually, he uses polite speech with everyone, even his younger siblings.

Yi is the eighth of the twelve Sui siblings and is male. He has a sly, playful, and affectionate personality. He treats everyone with friendliness. He possesses dragon horns, pointed ears, and a thick, long tail. He has long, straight jade-colored hair. He is tall and is taller than Jie. He is the master and gardener of a garden in Yan, which he decorates with various rare items he collects. Although Jie often takes and sells his belongings, Yi does not particularly stop him or mind it. He plays many pranks on his family and does not get discouraged even when Jie nags him. He uses casual speech with everyone.