Shonen is easily the most popular and mainstream demographic genre within anime and manga. This is the designation for many of the most successful franchises in these industries, particularly Dragon Ball, Naruto, and One Piece. However, there was once a series that was almost on the same levels as these icons, but its rise was as swift as its fall from grace.
Source：https://www.cbr.com/toriko-anime-shonen-2010s-bad-ending/
