KurozakuroKurozakuro.

Kurozakuro (クロザクロ) is a Japanese manga series written and illustrated by Yoshinori Natsume. It was serialized in Shogakukan's shōnen manga magazine Weekly Shōnen Sunday from August 2004 to January 2006, with its chapters collected in seven tankōbon volumes. In North America, the manga was licensed for English release by Viz Media.