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"Accelerate" (加速, Kasoku, Tonari: 61 + 62 + 63) is the 44th chapter of the One-Punch Man manga series.


Part 1[]

Sonic comes down from atop the street light, boasting that he shall beat Genos and Saitama shall be next. Meanwhile, Fubuki notices his killing intent and claims him to be dangerous. Genos tells Saitama that he shall beat Sonic, to which Sonic is amused as he claims Genos to be slow. Genos then responds that he did not show what he is truly capable of. Genos then accelerates himself and quickly moves behind Sonic, unsuccessfully attacking yet again because Sonic manages to catch on and dodge. Saitama and Fubuki witness the match and while Saitama notices Genos moving faster than he did when they fought, even hypothesizing that he got new parts, Fubuki is unable to keep up with the speed of the two.

After a bit of fighting, Sonic notices Genos keeps getting behind him, thinking he is mocking his speed. Genos then drops Sonic's topknot, leaving him with short hair, which angers Sonic.

Part 2[]

Genos gets behind Sonic and attacks with his Machine Gun Blow technique, only to be surprised to learn he had only hit an afterimage. Sonic then retaliates with his secret technique: Four Shadows Burial - Scattered Flash Slash, which Genos cannot follow. This prompts Genos to blow up the entire area, going at maximum power. Afterwards as Sonic is thought to have beaten Genos, he realizes Genos had fallen before he was able to cut him. Learning Saitama was responsible, he calls him soft for wanting to protect his pupil, to which Saitama replies it was to prevent Genos from destroying the place, since they live in the vicinity. Saitama then tells Genos to stop his fight as for he himself was Sonic's target, then states he shall take Sonic on seriously. Sonic then states he shall use his ultimate technique he developed, in order to kill Saitama.

Meanwhile, Fubuki is watching the entire fight, and is glad she's ignored for otherwise she might have been in danger.

Part 3[]

Sonic attacks Saitama with his ultimate technique: Ten Shadows Burial, to which both Genos and Fubuki are impressed but are still capable of seeing. He does not have the upper hand and Saitama counters with one of his own super moves, Serious Series: Serious Side Hops, creating countless amount of clones and beating Sonic. Sonic then appears to be knocked out, which to Genos resembles death, but Sonic managed to instantly leave. Fubuki, seeing everything, claims Saitama to be too strong.

Characters in Order of Appearance[]

  1. Saitama
  2. Speed-o'-Sound Sonic
  3. Genos
  4. Fubuki

Chapter Notes[]

Online Cover


Volume 1 12345678Extra
Volume 2
Volume 3 1617181920ExtraSpecial
Volume 4
Volume 5 2526272829Extra
Volume 6
Volume 7 353637Extra 1Extra 2Extra 3
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 858687Extra
Volume 18
Volume 19 91929394Extra
Volume 20
Volume 21 979899100101Extra
Volume 22
Volume 23 107108109110111112Extra
The Blizzard Group Arc
Manga Chapters 42434445
Manga Volumes
Webcomic Chapters 47 • 48 • 49 • 50
Fights Genos vs. Speed-o'-Sound SonicSaitama vs. Fubuki, Eyelashes and Mountain ApeSaitama vs. Speed-o'-Sound Sonic: Round ThreeSweet Mask vs. Suppon