Chiyomaru, the popular former komusubi whose ample frame and crowd-pleasing style made him one of the most recognisable rikishi of the past decade, has begun a quiet but meaningful next act inside the Japan Sumo Association — moving into the sport's elder system, where retired wrestlers serve as wakamonogashira and sewanin and, in doing so, keep grand tournaments physically running.
The transition has put a spotlight on a corner of sumo that rarely makes English-language coverage. Wakamonogashira and sewanin are administrative elders, drawn exclusively from former rikishi, who manage everything from the day-to-day movement of wrestlers between sumo's stables and the dohyo to the staffing of tournament logistics, ticketing flow, dressing-room operations and the strict ranking-based etiquette that governs life at a basho.
It is a role with surprisingly little glamour for a sport whose top division is built around ritual spectacle. Wakamonogashira and sewanin do not preside over bouts, do not pronounce verdicts, and are not the kimono-clad shimpan judges seated around the ring. Their domain is the corridors, lines and back-rooms — the everyday infrastructure of a 15-day tournament.
Chiyomaru's career trajectory makes him a natural fit. The former Kokonoe-beya wrestler reached komusubi at his peak, fielded one of the most distinctive silhouettes in modern makuuchi, and earned a deep reputation among rivals for his low-centre defensive sumo and his post-bout grace. His retirement, like that of most senior rikishi, was followed by the difficult question of how to remain inside the sport without coaching a stable of his own.
The wakamonogashira/sewanin route is one of two formal pathways. The more visible path is for retired rikishi to acquire one of the limited toshiyori myoseki — the elder names that grant stable-master rights and a long-term career inside sumo. Those names are scarce, expensive and tightly controlled, with the JSA capping the total number in circulation. The wakamonogashira and sewanin tracks offer an alternative for retired wrestlers who do not, or cannot, hold a toshiyori name.
The sport itself benefits from the arrangement. Sumo's logistical machinery — the daily roll of bouts, the pre-tournament banzuke distribution, the ushering of wrestlers between dressing rooms, the supervision of younger rikishi — depends on people who already know how a basho actually works from the inside. Former wrestlers, even those who never reached the top tiers, carry that knowledge by default.
For English-speaking sumo fans, Chiyomaru's move offers a small window into a part of the sport that is usually invisible. The bouts themselves are televised globally, the yokozuna pre-bout rituals are well documented, but the people who make sure the tournaments physically run remain almost entirely off-camera. Chiyomaru's profile may, for the first time in a while, give that machinery a recognisable face.



