my heart
heart is kokoro
私の心の中is the way to say 'in my heart' in the Japanese language. hope i have helped! :)
wakareru
kuroikokoro
kuraikokoro
meinu
Mikazuki no kokoro
You may say 'kokoro kara,' which literally (and conveniently) means "from the heart."
heart-break-er
心魂 Shinkon
say it how it is
Japanese word "mune" is literally "chest". In context, though, it may mean "heart" in an emotional expression, such as in English we say "heavy heart" or "my heart leaped"