https://www.animenewsnetwork.com/news/2011-04-11/j-comi/purify-file-shared-manga-with-authorized-ads
J-Comi: 'Purify' File-Shared Manga with Authorized Ads - News - Anime News Network
Negima's Akamatsu unveils plan to legalize unauthorized scans of out-of-print manga
j comi
https://www.animenewsnetwork.com/news/2011-04-13/j-comi-posts-1st-user-submitted-purified-manga-scans
J-Comi Posts 1st User-Submitted, 'Purified' Manga Scans - News - Anime News Network
Player wa Nemurenai manga scans posted on site with creators' permission
j comiuser submitted