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

Chapter 34, One-Punch Man Wiki

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

One Punch Man Volume 27 Extras. From @Nan_C_the_H0BBY on Twitter. : r/ OnePunchMan

Volume 25 Bonus Chapter Translated : r/OnePunchMan

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

One-Punch Man

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

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

Volume 23 Illustrations [HQ] : r/OnePunchMan

Who is the second most powerful character in the One Punch Man universe after One Punch man himself? - Quora

Vol 24 extras (The rest in Vib's post) : r/OnePunchMan