# One-Punch Man, Vol. 1
## Introduction
- Saitama's Origin
- Ordinary Life
- Desire to Become a Hero
- Rigorous Training Regimen
- Superhuman Strength
- Achieving Ultimate Power
- Disillusionment with Heroism
## Part I: The Daily Life of Saitama
- Routine Battles
- Encounters with Monsters
- One-Punch Victories
- Lack of Challenge
- Search for Purpose
- Yearning for a Worthy Opponent
- Questioning the Meaning of Heroism
- Interactions with Citizens
- Public Perception of Heroes
- Saitama's Indifference to Fame
## Part II: The Hero Association
- Introduction to the Hero Association
- Ranking System
- Professional Heroes
- Genos' Backstory
- Destruction of His Hometown
- Quest for Revenge
- Genos Becomes Saitama's Disciple
- Seeking Guidance
- Learning from Saitama
- Motivation for Improvement
## Part III: Villains and Challenges
- Introduction of Major Villains
- Vaccine Man
- First Notable Fight
- Commentary on Consumerism
- Mosquito Girl
- Swarm of Insects
- Saitama's Unique Solution
- Escalation of Threats
- Increasing Monster Appearances
- Heroes Struggling Against Stronger Foes
- Saitama's Impact
- Understated Role in Saving the City
- Unrecognized Contributions
## Part IV: Themes and Reflections
- Satire of Superhero Tropes
- Parody of Traditional Hero Narratives
- Critique of Power Fantasies
- Exploration of Loneliness
- Isolation Despite Great Power
- Lack of Recognition
- Philosophical Undertones
- What Defines a Hero?
- The Burden of Invincibility