"Understanding Heart" (わかりあう心, Wakari au Kokoro) is an instrumental musical composition from the Japanese version of Yu-Gi-Oh! ZEXAL.
It is 1:48 long and has been released on Yu-Gi-Oh! ZEXAL Sound Duel 1.
"Understanding Heart" was played in the following episodes:
- Yu-Gi-Oh! ZEXAL episode 1: "Go With the Flow, Part 1"