SEDETA L Shaped Gaming Desk, 63'' Reversible Computer Desk with Power Outlet and Storage Shelves, Corner Gaming Desk with LED Lights, Bookshelf for Home Office, Black

I would get this deskhttps://a.co/d/0ioVm1JYI have the same one and it's great. I have 3 monitors attached with arms, my PC, and a bunch of trinkets/figurines on the shelves. This would go perfect in that open corner of your room. I would do that and then build around it. Grab some wall shelves if you still want more space to put things.