Heart not in itTilting heart
To devote yourself to something, to concentrate on something.Dancing heart
To be excited, to anticipate something eagerly.To turn heart into an oni
To harden one's heart, to reluctantly become unsympathetic towards someone.Heart left over
Regrets.On clearance!Grabbing heart
To win over someone's heart.Heart warming
These are all puns. Kokoro means heart, and these are various idioms using the word heart.Tsurumaki KokoroHello, Happy Worl-