The first Ending Song will be retired, shockingly, fairly soon.
According to Ryoga’s official Twitter:
龍雅 -Ryoga- 4th Single「Believe In Magic」-Short ver.- Music Video
テレビ東京系列「遊☆戯☆王VRAINS」エンディングテーマ(2017年5月~7月)https://t.co/hc1NJ0FDc9— 龍雅 -Ryoga- OFFICIAL (@Ryoga_info) May 23, 2017
The first Ending will be retired at some point in July. What its replacement will be has not been announced at this time.