Volume 28 inside cover and illustrations. : r/OnePunchMan

cover art of saitama punching the moon, colored by me : r/OnePunchMan

Magpie's Nest — OPM Manga Volume 28, online and print changes

Hunter X Hunter - Vol.28: _: 9788577874637: : Books

Volume 28 Cover : r/OnePunchMan

Artworks from Volume 25 : r/OnePunchMan

These three will be the protagonists of vol 27, I expect a cover of the volume similar to this image (Also Spiral Garou on the back cover) : r/ OnePunchMan

One-Punch Man - Wikipedia

Volume 23 Illustrations [HQ] : r/OnePunchMan

One-Punch Man, Vol. 26 (26) by ONE

Volumes 28's changes and compare with Online version: : r/OnePunchMan

Volumes 22-23-24 front cover : r/OnePunchMan

Volume 25 illustrations [HQ] : r/OnePunchMan

One Punch Man Vol.28 Japanese Manga Comic Book