Summary of One Punch Man (OPM) Chapter 173
Chapter 173 raises the stakes as the Vanguard commander identifies Saitama as the target anomaly. Fans will cheer as Flashy Flash and Genos coordinate a desperate plan to protect their master, even though they know he doesn’t need it. Garo, grinning through blood, watches in fascination, realizing Saitama is the true monster he’s always sought. Meanwhile, Saitama, frustrated his meal plans were ruined, finally takes notice of the battle. Sweet Mask, behind the scenes, debates whether to reveal Saitama’s existence to the public. The mix of emotional payoff, comedy, and cosmic-scale buildup is brilliant. You’re left grinning, knowing the commander is about to discover what countless villains before him did — messing with Saitama never ends well.