 If you liked
Shijou Saikyou no Deshi Kenichi
|
 ...then you might like
Kenji
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Basically, there are both martial arts type, though Kenji is much more technical, having even step patters of few kata, if some freak would like to try them :P. Kenji ain't ecchi, and has more mature plot, though it is enjoyable. Believe me, if you like HSD, you'll get into Kenji in no time :P.