Marshal of Star Thunder

Made for the phone in your hand, Marshal of Star Thunder tells a fantasy and underdog rise story in portrait mode — no rotating, no black bars. It runs 59 episodes of roughly one to two minutes each — about 1 h 29 min in total, easy to finish over a few commutes. The plot, in short:

Once the universe's mightiest warrior, Thorne now tends bar in hiding. But when Ileia's healing power becomes a target, he must return to battle, crushing Void Shadow and the Veil Clan. Yet in the silence of deep space, something dark stirs…