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If you truly want the longest experiences possible, these series hold massive episode and volume counts:

: The undisputed king of longevity and world-building. Following Monkey D. Luffy’s quest to become Pirate King, it has over 1,150 episodes and 100+ manga volumes. It is currently the best-selling manga of all time . Muchi Muchi 02 - HENTAITK.NET.mp4

These three series dominated the mid-2000s and remain the gold standard for long-form shonen (action-adventure) storytelling. If you truly want the longest experiences possible,

Beyond the "Big Three," these series are frequently cited by experts and fans as must-reads or must-watches due to their high quality and significant length. It is currently the best-selling manga of all time

: Still ongoing with over 1,000 episodes and chapters, it follows a teen detective trapped in a child's body solving endless murder mysteries.

: The Guinness World Record holder for the longest-running animated series , airing since 1969 with over 7,000 episodes—though it is episodic rather than a continuous story.