S-Class hero Blast suddenly appears before Saitama and Flash in search of a mysterious box! But what is it about the box that has the association's top hero chasing after it? Meanwhile, heroes are in a fierce battle with Monster Association executives when Genos's power core becomes unstable!
Chapter list:
144th Punch: Abyss
145th Punch: Stones and Diamonds
146st Punch: Rejuvenated Offence
147nd Punch: How to Behave
148rd Punch: Jupiter, the Bringer of Jollity
149th Punch: Silver Fang
150th Punch: Superalloy Darkshine
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