Volume 25 Bonus Chapter (and Extra Illustrations) : r/OnePunchMan

Volume 29 (Bonus Art) Clean & Upscale By Me : r/OnePunchMan

One-Punch Man, Vol. 25: Volume 25 by ONE

Volume 29 (Bonus Art) Clean & Upscale By Me : r/OnePunchMan

Volume 23 Illustrations [HQ] : r/OnePunchMan

Changes and Redraws in Volume 24; compared to the online releases. There were only 4 since the chapters were already redrawn, description of the changes is under the images. : r/OnePunchMan

One-Punch Man's Newest Manga Volume Includes Unexpected Extra Chapter

Volume 25 Bonus Chapter (and Extra Illustrations) : r/OnePunchMan

Leaked Volume 27 bonus chapter [Shitpost] : r/OnePunchMan

Volume 29 (Bonus Art) Clean & Upscale By Me : r/OnePunchMan

All illustrations and bonus content from volume 26 : r/OnePunchMan

Tatsumaki's day off, Volume 10 bonus chapter in better quality. : r/ OnePunchMan

Inside Cover and Back Cover,Bonus Chapter and Extra Illustrations from Volume 26 (Scan/HQ) : r/OnePunchMan

Volume 25 Bonus Chapter (and Extra Illustrations) : r/OnePunchMan

An old character seems to be doing well (vol 21 bonus chapter spoilers), /r /OnePunchMan, One-Punch Man