It's a huge success in Japan, with over 27 million copies in circulation and a robust fan presence at doujinshi events like Comiket. (otakuusamagazine.com)
GEN Manga is a digital manga magazine that publishes doujinshi — fan - made manga. (cbr.com)
Most people associate doujinshi with Naruto slash and porn, but the range is much wider than that; it's sort of like the American indy - comics scene, with plenty of solid comics made by people who haven't quit their day jobs yet. (cbr.com)