Despite just finishing a martial arts tournament and immediately dealing with the Monster Association invasion, Saitama is still so incredibly strong that he feels empty inside. King lectures him on how to live like a hero, but it doesn't help. Meanwhile, servants of the Monster Association close in on Speed-o'-Sound Sonic! For teen audiences. 1974702235 978197470223750000 589071 NOV182135 One;Yusuke Murata