Its a tv stand but could be a bench against a paneled wall for a coat rack…
Modern Blue Bedroom with Alcove Shelving and Pendants - good way to use the particularities of a non-square room OR you could build a fake wall
Created Bliss: diy Faux Fireplace Mantel, better with a screen in front though
washi tape frame wall for office. This is the only one of the 15 ideas on here that I like.
the flooring warms up the room