The character posters were released to advertise the upcoming “Joint Training Session” event at Chiyoda 3331 art center on October 5 and 6.
More information on season 4 will be announced at the “Kick Off” event on September 22 at Maihama Amphitheater in Chiba.
The event will include character panel photo spots with drawn illustrations, games based off the history of the series, a Haikyu!! cafe themed around Halloween, and a JUMP STORE with exclusive items.