It's Gachi, Ace Dragon! ガチだぜエースドラゴン！ Gachi da ze Ēsu Doragon! April 5, 2019
Summary:- One year has passed since the Title Match between Aiga Akaba and Valt Aoi. Valt completes Slash Valkyrie, a Gachi Bey brought to the next level. Valt's BC Sol understudies, Drum Koryu and Delta Akane, see the golden shining splendor of Slash Valkyrie in action. Having witnessed the infinite potential of Beys, Drum aims to create a shining Bey of his own by traveling to Japan alongside his partner, Ace Dragon. Now, another talented youth is set to cause a stir in the world of Beyblade!"
Source https://www.beyblade.jp/story/1/
Preview :
Only 10 min?
Beyblade Burst Gachi Episode 1 Quick Review! | ベイブレードバースト ガチ
https://beybladersfreestreams.blogspot.com/2019/04/beyblade-burst-gt-episode-1-full-raw.html Watch Episode here