I have some news regarding Tochinoshin's what now - he gave an interview for Nikkan Sports & he founded a company (with friend) for importing Georgian food (he mentioned wine and honey) to Japan.
https://www.nikkansports.com/battle/sumo/news/202306190000700.html

>>50328
Kirishima was his stablemaster's shikona. Supposedly it was decided long ago that he takes it if he makes ozeki.