Yu Gi Oh! VRAINS had so much potential only for it to drop the ball by shafting some of the main characters and too many recap/ filler episodes. Also, who can forget Konami shoehorning in Takeru/Soul Burner which literally screamed "BUY SALAMANGREATS" (aka Blackwings 2.0).
Secrets of past and prophecies of the future.
Watch it right away if you are into the futuristic society.