The new anime Kunoichi Tsubaki no Mune no Uchi (In the Heart of Kunoichi Tsubaki) will have around 13 episodes according to the Blu-ray and DVD releases. According to the official website, the series premiered on April 9th in Japan.
Thus, the direction is by Takuhiro Kadochi, character design by Yousuke Okuda , and music by Yusuke Shirato. The animation is by CloverWorks (Shadows of House).
Synopsis:
The comedy story follows Tsubaki Kunoichischool kunoichi . She lives in a village of women with a rule that they cannot have contact with men. However, she has a curiosity about men that she cannot reveal.
Finally, Kunoichi Tsubaki no Mune no Uchi (Inside Tsubaki Kunoichi's Heart) began serialization in Monthly Shonen Sunday in January 2018, and its 5th volume was released in August 2020.