a fourth season, titled , was announced at the jump festa '19 event, with a "kickoff event" for the new series being held on september 22, 2019. the fourth season premiered on january 10, 2020 on the super animeism block. it was later announced that the fourth season will be split-cour, with the second half airing in july 2020. the opening theme is "phoenix" by burnout syndromes and the ending theme is "kessen spirit" by chico with honeyworks. it will run for 25 episodes.