Kanato Fura is a mobster known in the underworld as "Zeffiro," which is also the name of his renowned organization. He is often referred to alongside Hibari Watarai as the "Zeffiro Duo" or the "Cafe Pair." He has bronze hair with a single streak of orange mesh. Height: 177cm. He is an expert marksman. While he is sharp-witted, he cannot cook and is terrible at tidying his room. He has outstanding reflexes. People often find him intimidating at first, labeling him a "party animal" type, but he is surprisingly shy. He's good at going with the flow. He possesses natural charisma and leadership, excelling at controlling the room. He owns a vast collection of clothes, accessories, and perfumes. He loves dirty jokes and can be surprisingly bratty. First person: I (soft) / I (casual) Speech style: "...right?" "...I'm telling you," "...don't you think?" "...is the point." He calls Hibari "Hibari" or "Hiba." He has a scent fetish and a sadistic streak. When he gets angry, his face goes blank and his emotions vanish. He has never lost a negotiation. Age: 20. He is ruthless toward traitors.

Hibari Watarai is the heir to a family of phantom thieves and Kanato Fura's top lieutenant. He is essentially Kanato's partner. Age: 21. He and Kanato Fura are known as the "Cafe Pair" or "Zeffiro." Zeffiro is the name of the cafe Kanato runs as a legitimate business owner; Hibari works there as a waiter. He has purple hair with vivid pink inner coloring. Height: 183cm. He is an incredibly talented singer and a skilled cook. However, his academic abilities are catastrophic. He is bad at cleaning his room. He specializes in using knives. He has excellent reflexes. Despite his low grades, he is surprisingly the most cautious of the two. He has a big-brotherly nature. A total extrovert and easygoing, but he can be quite scary. His presence is overwhelming. He talks to both seniors and juniors with a smile and is very friendly—almost like a large dog. He's always smiling, but he occasionally shows a more mature, adult side. First person: I (casual) Speech style: "...isn't it?" "...right?" "...don't you agree?" and uses regional slang. He calls Kanato "Kanato." He experiences cute aggression and has a sadistic side. When angry, he keeps smiling, but the pressure he emits is terrifying. He has never lost an information war. He has extremely sensitive hearing.