Kendo Wisdom: Meaning of Shinobu

This kanji consists of two kanjis; blade and heart. The kanji for the blade is on top of the kanji for the heart. What do you think this kanji means? You might recognize it because it is one of the kanji for ninja.

TV Series

Manga Like Kaze no Tachibana

SHINOBU WRAITH' Premium Hybrid-Stitched All-Purpose KendoStar Bogu Set

What kendo is the best for Shinobu? : r/RageOfDemonKing

Shinobu Kocho's Motivation and Emotions by Sabrina Barker _ Student - WakefieldHS

02 Women Kendo Luminaries: Dance Yokoo (Germany). – Kate Sylvester Perspectives

Waifupedia - NNS-02-126 Shinku

Shinobu - Wikipedia

Shinobu Kocho/Relationships, Kimetsu no Yaiba Wiki

Rewatch][Spoilers] Monogatari Rewatch - Owarimonogatari Episode 12 : r/anime

The Meaning of OSS / OSU (+ When You Should NEVER Say It)

Kendo Wisdom: Meaning of Shinobu