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"Tatsumaki's Day Off" (タツマキの休日, Tatsumaki No Kyuujitsu) is an extra chapter included with Volume 10.


Gigakigan awakens in an unknown city and is prepared to wreak havoc, but is quickly defeated by Tatsumaki. Tatsumaki then complains to a staff member about the Hero Association's over-reliance on her. The following day, Tatsumaki receives no duty calls and is told by the Hero Association staff that she has the day off. However, much to Tatsumaki's displeasure, this lack of work leaves her bored. She decides to go after monsters anyway and uses news coverage as her informant. This leads her to Z-City, but the monsters she wished to go after were already killed by Saitama. After this incident occurs multiple times, Tatsumaki becomes infuriated and rushes to the next alert location as fast as possible and completely decimates Hotdog when she reaches it. Finally feeling relieved, she flies off.

Characters in Order of Appearance[]

  1. Gigakigan (Cover)
  2. Tatsumaki
  3. Hero Association Mug
  4. Flashy Flash
  5. Saitama
  6. Hotdog (Debut)
  7. Armored Chief Clerk


Volume 1 12345678Extra
Volume 2
Volume 3 1617181920ExtraSpecial
Volume 4
Volume 5 2526272829Extra
Volume 6
Volume 7 353637Extra 1Extra 2Extra 3
Volume 8
Volume 9 41424344454647Extra
Volume 10
Volume 11 565758596061Extra 1Extra 2
Volume 12
Volume 13 68697071Special
Volume 14
Volume 15 7677787980Extra 1Extra 2Extra 3
Volume 16
Volume 17 858687Extra
Volume 18
Volume 19 91929394Extra
Volume 20
Volume 21 979899100101Extra
Volume 22
Volume 23 107108109110111112Extra