https://blog.faceutil.com/2017/03/31/msx-%ed%95%9c%eb%b0%a4%ec%9d%98-%ed%98%95%ec%a0%9c-midnight-brothers-%eb%af%b8%eb%93%9c%eb%82%98%ec%9d%b4%ed%8a%b8-%eb%b8%8c%eb%9d%bc%eb%8d%94%ec%8a%a4-%e3%83%9f%e3%83%83%e3%83%89%e3%83%8a/