Xdinary Heroes <Happy Death Day> Debut Showcase
//直播時間：2021.12.06 MON 5PM (KST)
//直播連結：
https://vlive.tv/video/270509
https://youtu.be/9fAoEbYEvIA
//相關SNS：
https://twitter.com/XH_official/status/1467794524923924481
https://twitter.com/XH_official/status/1467758208660152323
https://twitter.com/XH_official/status/1465970804324122631
//相關新聞：
https://twitter.com/XH_official/status/1467755492978327552
https://www.joynews24.com/view/1429739