Chapter 2 — The Lone Cyborg
A monster is moving toward City Z, one that has been created by the mysterious organization known as The House of Evolution. Genos, a young cyborg, attempts to stop it, but gets in over his head before Saitama happens along. (Source: Daisuki)
Other chapters
- Chapter 1: The Strongest Man
- Chapter 2: The Lone Cyborg
- Chapter 3: The Obsessive Scientist
- Chapter 4: The Modern Ninja
- Chapter 5: The Ultimate Master
- Chapter 6: The Terrifying City
- Chapter 7: The Ultimate Disciple
- Chapter 8: The Deep Sea King
- Chapter 9: Unyielding Justice
- Chapter 10: Unparalleled Peril
- Chapter 11: The Dominator of the Universe
- Chapter 12: The Strongest Hero