Katashiro

Katashiro is the mediator of Akihabara.

Appearance
Katashiro is a slender man who dresses casually, wearing a loose shirt, loose trousers bunched up at their cuffs, and sandals in addition to ankle bracelets and a necklace. Over these he wears a long, hooded robe that reaches his mid-thighs; its black-lined sleeves end just above his elbows, allowing the checkered cuffs of his shirt to be seen. He keeps its hood up at all times and overlays it with a long cloth that, alongside the snarling mask underneath it, serve(s) to conceal his face.

Personality
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Chronology
When Shibuya mediator Higuro disappears without notice, Katashiro and his fellow mediators are summoned to interview the replacement Shibuya candidate Yumeji Agakura. Katashiro is one of the first to arrive at the conference building and brings with him neither bodyguards or entourage like Andalucía or Lisa Kuraki, Roppongi's and Shinjuku's respective mediators, which he regrets once he sees that everyone else is armed. He keeps quiet and busies himself with his oolong tea while the women discuss Lisa's reversal on Polka Shinoyama's life. Neither they nor their entourages notice him, nor do Gioacchino Soldati or his entourage when they file into the meeting room; only when Katashiro speaks on Polka's bounty do they realize he is present, and even then they assume he only just arrived.

Katashiro fades back into the background for the remainder of the three mediators' conversation, remaining silent even when Andalucía murders her own underling. He is only paying rote attention by the time Yumeji arrives and is asked to explain the Agakura Clan's involvement in Higuro's disappearance and in kidnapping Lisa's man on Higuro's behalf—so, when he draws everyone's attention upon laughing at an intrusive memory of 'Higuro' featuring in Solitaire's deepfake video, he is confused by Yumeji's stiff demeanor. More out of sympathy for Higuro than for Yumeji, Katashiro speaks up in the latter's favor by declaring that he believes the Agakuras are not responsible for Higuro's disappearance.

Solitaire is brought up later when Yumeji's sister-bodyguard Kana informs her brother that Lisa's bodyguard Misaki Sakimiya—who injured their other brother—is, in addition to having Majiri Agakura's favor, an alleged pupil of Solitaire. Impressed, Katashiro lapses into wondering where he has seen Misaki before and misses Lisa's subsequent hint about the Agakura's connection to a Shinoyama guard, though Andalucía and Gioacchino are not as oblivious.

The meeting concludes with Yumeji's formal acknowledgement as Higuro's successor, though Gioacchino, Katashiro, and Yumeji linger while Andalucía attempts to spite Lisa by invoking Miyabi Hosorogi's name. Katashiro calls Andalucía out on and warns her against such obvious provocation, reminding her that the this conference was intended to be a peaceful one. Although Andalucía cannot resist a last few barbs at the expense of Lisa's humanity, she desists before any tensions can be enflamed anew.

Katashiro passes Momoya Agakura and two Youtokorou patrollers as he exits the building and makes his way toward an alley, overhearing as he does the former whisper to the latter about rumors of Katashiro being on par with Lemmings. The comparison bothers Katashiro so much that he dwells on it even when a group of men ambush him in the alleyway's depths; in the same minutes he is dispatching the men with brutal ease, he frets to himself about how frightening the other mediators are. His appetite whetted, he asks a covertly watching Gioacchino—who set up the ambush—if his restaurant is still open. Gioacchino replies that it is fully booked. Katashiro advises that Gioacchino clean up the corpses before he continues on his way, hopeful that he can still grab a bite to eat at one of Akihabara's ninja cafes.