Megumi is a powerful fighter with a lot of useful summons but he won’t be able to take on Yuji. Yuji’s a powerful close quarters fighter which will always have the edge over someone like Megumi who has to rely on his summons. To his credit, Megumi can fight pretty well up close compared to most summon specialists, but he’s still completely outmatched by Yuji in that area. Yuji Itadori wins.