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"Business Activity" (営業活動, Eigyō Katsudō, Tonari: 19) is the 18th chapter of the One-Punch Man manga series.

Summary[]

Five days after their debut as pro heroes, Genos asks Saitama if he can live with him. Saitama protests until Genos offers to pay rent and throws a rather large stack of bills onto the table. Afterwords, Saitama is relaxing and Genos is taking notes on everything Saitama does in hopes to learn the secret of his power. Saitama starts to think of ways to get Genos out, but is interrupted by Genos who tells him that C-Class heroes get expelled from the organization if they have been inactive for more than a week. Saitama had not known this and rushes out of the apartment to find a crime to solve. Saitama rushes all through out town, but doesn't find anything and gives up. The next day he does the same thing and is freaking out about being expelled when he catches a kunai that was thrown at him by Sonic, who's name he'd forgotten.

Bonus Page[]

  • A murder of crows flew and began eating Beast King remains. They began mutating and gained a small human-like body and the ability of using eating utensils.

Characters in Order of Appearance[]

  1. Saitama
  2. Genos
  3. Speed-o'-Sound Sonic
  4. Beast King (Bonus Page)

Chapter Notes[]

Online Cover

Navigation[]

Chapters
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 68697071ExtraSpecial
Volume 14
Volume 15 7677787980Extra 1Extra 2
Volume 16
Volume 17 858687Extra
Volume 18
Volume 19 91929394Extra
Volume 20
Volume 21 979899100101Extra
Volume 22
Volume 23 107108109110111112Extra
Online
National Superhero Registry Arc
Manga Chapters 16171819
Manga Volumes
Webcomic Chapters 16 • 17 • 18 • 19
Episodes
Fights Saitama vs. GenosSaitama vs. Speed-o'-Sound Sonic: Round Two
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