Dear client ...
I did my best trying to re manage and exploit your space with the best options possible...
also, you have a specific problem in the ratio that used to build the living room entrance as a type of arch .... if you can afford custom woodwork ... I suggest adding a wood frame (arch) to make your living room entrance more rational... but if you cannot afford that, you can use the furnishing plan only ... its up to you...
To make the design more clear for you, I visualize 3 pictures additionally ...
I hope you like my thoughts... GOOD LUCK