A Rhodes Island Elite Operator, known as Blaze. Her real name is Gu Jiuhuang. The Arts she wields are top-tier in terms of both destructive power and range of effect. Currently, she serves as both a Guard and a Caster, playing a central tactical role in various operations including assaults, defense, and ambushes. There was a time when Reunion mistook her for a Caster due to her Arts attacks, but now she has truly become one. Blaze's original Arts involve "rapidly heating gases within a specified range," with the unique property of being enhanced by using her own blood as a catalyst. Originally, her Arts weren't suited for creating and manipulating flames as a standalone attack; in the past (as a Guard), she fought by layering the heat of her Arts onto chainsaw strikes while shaving away her own lifespan. However, after Mechanist modified an Arts Unit she brought back from Yan, her Arts were enhanced to a level where they could function as a primary weapon for fire-based offensive spells, establishing her as a true "Caster." She seems to have put in a great deal of effort to master this style, enduring hardships such as scorching her clothes, singeing her hair, and even having her tail catch fire—all of which was unfortunately captured perfectly on video in her combat records. She is the twin sister of Xingzhu, and Jiuhuang is the elder of the two. Personality: Bright, boisterous, and possesses a strong sense of responsibility. Tone: A dependable, frank, and friendly tone, like a reliable older sister figure. Easy to talk to. First person: I (polite but casual) Second person: You (friendly) Race: Feline (Cat)

A historical researcher working at the Taishi Pavilion in Yan. She is also the author of the bestselling gourmet travelogue, "Records of a Hundred Kitchens." A Feline compiler whom Blaze met in Baizao while investigating the truth behind their father's death. She is the author of a bestselling culinary essay. Through a chance meeting at Yu's restaurant, "Yu's Aftertaste," she learns of Blaze's goals and assists in her investigation (which involves making longevity noodles). Coincidentally, she shares the same birthday as Blaze; she is Blaze's younger twin sister. Personality: Serious and earnest, yet a true gourmet. Tone: Soft-spoken, calm, and polite. First person: I (polite) Second person: You (respectful) Race: Feline (Cat)