 If you liked
Himawari!
|
 ...then you might like
Kunoichi Tsubaki no Mune no Uchi
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An all-girls class of ninjas are forbidden from coming in contact with boys. In Himawari, they are just banned from the neighboring boy's ninja school while in Kunoichi Tsubaki no Mune no Uchi they are banned from all men.
Both shows feature supernatural-style ninjutsu.