- A 19-volume manga series - over 7.9 million copies sold in Japan Also translated into Chinese, Korean, French, and Italian- Originally serialized in Japan's manga anthology Monthly Betsucomi, which also featured Viz titles like Basara, Chicago, and Hot Gimmick- Inspired series spin-offs called Private Opinion, and Banana Fish Official Guidebook Rebirth- Multiple product brand in Japan - towels, shirts, watches, mugs, keychains.