https://blog.wongcw.com/2021/06/14/%e3%80%8a%e7%b5%95%e5%9c%b0%e6%b1%82%e7%94%9f%e3%80%8b%e9%96%8b%e7%99%bc%e5%95%86krafton%e4%b8%8b%e9%80%b1ipo-%e9%a8%b0%e8%a8%8a%e7%82%ba%e7%ac%ac%e4%ba%8c%e5%a4%a7%e8%82%a1%e6%9d%b1/