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The only inappropriate thing was him not dressing like that sooner
An intrusive thought made me write down this so:
In the extras after the first part of the novel we saw OgCale in KRS's body being like "if you don't like me fire me" and also there's a famous post of OgCale being over the top in the fashion department.
So it occurred to me, what if OgCale in KRS's body just goes around with comfortable over the top modern fashion and for his coworkers is so sudden, the guy who barely showed his face now is waking around with cargo pants and a black crop top showing his delightful worked body but most importantly with his multiple scars full on display and many coworkers thinks he finally snap and is protesting, letting everyone know who was it that fought most battles and survived with all his team no thanks to the burocrats.
Basically his new clothes are taken like a sort of "try me" statement while barely being work "appropriate".