Disaster Level

Disaster Level (災害レベル, Saigai Reberu) is an extra chapter included with Volume 13.

Chapter Notes

 * This omake marks Air's manga debut
 * Smile Man is revealed to have two brothers Crying Man and Angry Man and has a team with them called the Surly Brothers.
 * This omake shows what the Association thinks the average strength of Wolf, Tiger and Demon level threats are compared to their heroes.
 * This special takes place in between the King Arc and the Garou Introduction Arc, as Saitama is rank 33 at this point.