One Punch Man GN VOL 15 (C: 1-

(W) One (A/CA) Yusuke Murata. 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.