Can’t determine the size of round table or really anything in room - no perpective to compare to. But, my first impressions are this - move the round marble top table to between the chairs. It looks too small for in front of couch - not useful for reaching out from seating to set anything on. It does look great with rug though. Move that lovely Aisian chest from the corner to front of couch & use it for coffee table. Put piece of glass on top if it’s a carved piece. Highlighting that wood piece warms up the room & adds to your ’slight Aisian theme’ nicely. Set the big plant on a stand in same location in corner. Pretty curtains & flooring!

Some option

https://www.amazon.com/Alfreda-Indoor-Light-Weight-Concrete-Table/dp/B07D2976LC

https://www.cb2.com/macbeth-hemlock-black-wood-side-table/f19269

https://www.allmodern.com/AllModern--Marvella-Concrete-Drum-End-Table-X114681876-L442-K~A001089088.html

It's hard to tell if these are large enough, but I'd do a green/teal garden stool to pull some of the color to that side of the room.

I really llike what you have so far! I'm also loving the suggestions of something round and colorful.

Here's another few for the list.

https://www.birchlane.com/furniture/pdp/gibson-solid-wood-drum-end-table-b000043257.html?piid=2083134370

https://www.ebay.com/itm/313848567207?chn=ps&mkevt=1&mkcid=28

https://www.overstock.com/Home-Garden/Jamey-Boho-Round-Side-End-Table/34570362/product.html?opre=1&option=68012875

https://www.chairish.com/product/4261168/large-pale-turquoisemint-ring-garden-stool-side-table?gclid=Cj0KCQjw--2aBhD5ARIsALiRlwDm_eDw_QTRLlx0ntCFBVuiyhFRzPVS3FdSKUy7FyEd0BGUN8wbDp4aAuswEALw_wcB

this side table can be a fit for your space, it has Japandi look to it

Side Table