Sun-Ken Rock Volume 21 There is aging and wear, but there are no missing pages inside. It is believed to be readable without any problems. It will be shipped in a waterproof condition. I am also selling other manga, and I will offer a discount for combined purchases, so please take a look if you'd like. Purchase without comments is welcome ◎ If you have any concerns or questions, please feel free to contact me in the comments. Thank you for reading to the end.