Jung Joon Young's progamer profile is up on Twitch.tv.
Please click heart to follow his channel. There are already plenty of clips you can watch in there.
1. Download Twitch (app) from the Appstore (iphone) or Playstore (android).
2. Sign up for a Twitch account.
3. Search for "kdcasablanca".
4. Click the heart button to follow Jung Joon Young's channel.