In the Heart of Kunoichi Tsubaki

In the Heart of Kunoichi Tsubaki is a Japanese manga series written and illustrated by Sōichirō Yamamoto. It was serialized in Shogakukan's shōnen manga magazine Monthly Shōnen Sunday from January 2018 to May 2023, with its chapters collected in nine tankōbon volumes. An anime television series adaptation produced by CloverWorks aired from April to July 2022.

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