Hey there Misaki, I would like to give my opinion on this matter.
Traditionally, major banks and corporate venture capital firms have gatekept the flow of investment money in Japan's startup ecosystem.
According to Pat Ryan, a Tokyo-based Irish entrepreneur who works with early stage startups, quoted: "Getting a loan from a Japanese bank is still extremely difficult, especially if you’re a foreign founder"
However, I do think over time that Japan's startup culture could further develop to attract more founders.
Hope my take can be insightful and would love to hear your perspective.