The site was the idea of famed manga artist Ken Akamatsu, officially established on January 25, 2008.
But it was not launched until April 12, 2011, after it gained momentum in response to Tokyo Metropolitan Ordinance Regarding the Healthy Development of Youths' 2011 passing of Bill 156, which many manga creators opposed.
[2] The first beta test began on November 26, 2010, and included all 14 volumes of CEO Ken Akamatsu's Love Hina.
[6] One of the titles in the beta test, Mayu Shinjo's "After School Wedding", earned 525,000 yen over a month.
In October 2011, J-Comi added a pay service for erotic manga,[12] including a title which was banned under the revised Tokyo Metropolitan Ordinance Regarding the Healthy Development of Youths.