It is very common in Japan to have to pay key money when moving in, which is typically 1-2 months of rent. This isn’t like a security deposit as it is non refundable and is basically a “thank you for letting me live here”
Also if you are actually getting paid in Yen then the gap narrows between NY and Tokyo. Then there is the fact that your home could be destroyed in a massive earthquake but everyone has a different price for that risk