Disaster Level (災害レベル, Saigai Reberu) is an extra chapter included with Volume 13.
Summary
Characters in Order of Appearance
- Saitama (Cover)
- Black Roast
- Air (Debut)
- Crablante (Cameo)
- Deep Sea King (Cameo)
- Macho Daikon (Debut and Death)
- Smile Man
- Angry Man (Debut)
- Crying Man (Debut)
- Stinger
- Fubuki
- Eyelashes
- Mountain Ape
- Lily
- Mumen Rider
- Withered Sprout (Debut and Death)
- Genos
Chapter Notes
- This omake marks Air's manga debut
- Smile Man is revealed to have 2 brothers Crying Man and Angry Man
- This special takes place inbetween the King Arc and the Garou Introduction Arc, as Saitama is rank 33 at this point.