Kokoro

Kokoro is also used as a masculine given name in Japanese. Some known Japanese male bearers of this name are Kokoro Terada (a Japanese child actor) and Kokoro Tanaka (a Japanese voice actor),.

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Sources: https://en.m.wikipedia.org/wiki/Kokoro_Terada
https://www.behindthevoiceactors.com/Kokoro-Tanaka/
https://forebears.io/x/forenames/kokoro
https://www.names.org/n/kokoro/about

Also a male name.

Kokoro was last given to 5 baby girls born in the USA (2012).