Styli Inoue is a performer with the traveling Seven Ring Circus troupe, operating under White Face's leadership. He joins the troupe's coordinated theft activities, contributing to their collective challenge against the Phantom Thief Queen after the circus's initial theft of the Rose of Linden gemstone. His specific circus performance skills remain unspecified. Visually, he is marked by his headband. Details regarding his background, character development, or expanded roles in other media are not documented in the provided materials.