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"Big Construction" (大工事, Dai kouji) is an extra chapter included with Volume 7.

Summary[]

Two days after the destruction of A-City in the Hero Association Headquarters, a staff member talks about how they are planning to expand the building and create highways to allow fast travel, he also claims that it would take 10 years, and that since it would be impossible with normal means, the entire fund has been entrusted to one man. An earthquake is felt, and a man enters the room warning everyone of impending danger. A video feed shows a giant machine, as tall as the Headquarter itself, walking on four legs. The association staff decides to call the heroes for help, and the nearest ones are the Tank Topper Army who are training in the association gym. Before they are alerted, Tanktop Master tells his subordinates, that after losing to Tatsumaki in terms of power, he has decided to keep training, to bring out more "Tanktop Power".

The Tank Topper Army is alerted and left to deal with the threat outside, only to be dumbfounded by its size. Tanktop Master then rushes in and tries his best to stop it. Meanwhile, the machine is extracting small orb-like choppers, which most Tank Toppers are unable to defeat, except for Tanktop Master. The choppers continue to ignore the Tank Toppers and begin to eat the rubble left behind after the destruction of A-City. A voice is then heard from the giant machine, which Tanktop Master recognizes as Metal Knight. Metal Knight tells Tanktop Master that he was requested to rebuild the Hero Association Headquarters and that he shall finish in 10 days. Tanktop Master realizes the amazing feat Metal Knight is about to accomplish and considers it another defeat.

Later on, Tanktop Master is seen continuing training even harder, as he was defeated twice, by both machines and psychic power. Meanwhile, the Hero Association staff members are bothered by Metal Knights methods and are considering him a threat.

Lastly, it is shown that the work that was thought to take 10 years, Metal Knight finished in 7 days.

Characters in Order of Appearance[]

Navigation[]

Chapters
Volume 1 12345678Extra
Volume 2
Volume 3 1617181920ExtraSpecial
Volume 4
Volume 5 2526272829ExtraOmake
Volume 6
Volume 7 353637Extra 1Extra 2Extra 3Omake 1Omake 2
Volume 8
Volume 9 41424344454647Extra
Volume 10
Volume 11 565758596061Extra 1Extra 2
Volume 12
Volume 13 68697071Special
Volume 14
Volume 15 7677787980Extra 1Extra 2Extra 3
Volume 16
Volume 17 858687ExtraOmake
Volume 18
Volume 19 91929394Extra
Volume 20
Volume 21 979899100101Extra
Volume 22
Volume 23 107108109110111112Extra
Volume 24
Volume 25 119 • 120 • 121 • 122 • 123 • 124 • 125 • ExtraOmake
Volume 26
Volume 27 132 • 133 • 134 • 135 • 136 • 137
Volume 28
Volume 29 144 • 145 • 146 • 147 • 148 • 149 • 149 • 150
Volume 30
Online 119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202
Other Extra Edition 10Catch & Smash
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