After the death of Saizou, Kabamaru's horribly strict grandfather and Iga ninja teacher (sensei), an old lady, Ran Akoko, claims that she received a letter from him asking her to take care of his grandson. So Kabamaru runs off with Lady Akoko to the big city Tokyo to gorge on yakisoba, ramen, chow mein, and attend a regular school&mdash;which turns out to have weird quirks of its own.
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(Source: Anime News Network)

__Chronology:__  
- (1997) Won the "Special/Lifetime Achievement" Award at the 2nd Kobe Animation Awards. 
- (2006-04-01) Resigned from 81 Produce and established her own office, Office Nozawa.  

The eponymous protagonist is a naive young ninja from the Iga province called Kagemaro (absolute shadow), nicknamed Kabamaru (hippo's mouth) for his insatiable appetite. After the death of his strict grandfather and ninja sensei, Kabamaru moves to Tokyo with one of his grandfather&rsquo;s acquaintances. The plot deals mainly with Kabamaru adjusting to an urban lifestyle after spending a childhood in the mountains and how he finds himself caught up in the rivalry between two private schools.<br><br>(Source: Wikipedia)

Matsuno Suu