https://blog.faceutil.com/2020/07/29/%eb%ac%b4%ea%b2%90-%ec%8a%a4%ed%8a%b8%eb%a6%ac%ed%8a%b8%ed%8c%8c%ec%9d%b4%ed%84%b0ex-%ed%95%98%eb%93%9c-%eb%b0%b0%ed%8b%802-0-street-fighter-ex-hard-battle-2-0-k/