Shion Myōjingawa is the older brother of Alice Myōjingawa and appears as a supporting character in the spin-off Futari wa Milky Holmes, where Alice partners with Kazumi Tokiwa in the detective unit Feathers. Publicly recognized within the context of Alice's family, Shion secretly operates under the alias Violet Shadow, leading the phantom thief faction Color the Phantom. The Myōjingawa family lineage possesses connections to gentleman thieves, a heritage unknown to Alice during the series.