This link is BJ Alex manhwa book lezhin store address, please press photo then you can go to direct store page. it is approximately $11 with FREE domestic shipping, you can buy up to 20 book at once and proxy charge will be $2.5 under $50 or 5% of total value of price if more than $50.
for more about Lezhin store proxy shopping charge, please see in website FAQ
This is main smartstore of lezhin store