It's a pretty basic story about a boy practicing the arts of ninjutsu, fighting evil and trying to find his mother. 
Young Fujimaru got snatched away from his mother by an eagle and was rescued by a ninja named Sasuke who raised him and taught him ninja techniques. 
Later Fujimaru embarks on a quest to find his mother, encounters his arch enemy and learns about a secret book that contains secret ninja arts. 
The series is pretty old, but portraits loads of classic ninja techniques, like elemental manipulation (fire &amp; wind), creating illusionary clones and breathing through a reed.

Shounen Ninja Kaze no Fujimaru(1964)

🙂 64%

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Shounen Ninja Kaze no Fujimaru.css-1qyv5d2{margin-left:0.6rem;font-size:0.9rem;color:#6c6c6c;}@media (min-width: 481px){.css-1qyv5d2{font-size:1.2rem;}}(1964)

🙂 64%

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Shounen Ninja Kaze no Fujimaru(1964)