"The Power of the Heart") is a song recorded by Japanese singer Shizuka Kudo, from her sixteenth studio album, Tsukikage.

The song was featured as the theme song on the first installment of the Pretty Cure anime film series, Futari wa Pretty Cure Max Heart the Movie (2005),[1] for which she also voiced the character of the Queen of the Garden of Hope.

[2] A separate edition of the single including an alternate version of the song, as well as another song from the movie performed by Mayumi Gojo, was released by Marvelous Entertainment on May 25, 2005.

[3] "Kokoro no Chikara" was released two months following “Lotus (Umareshi Hana)”, Kudo's comeback single to Pony Canyon.

The song, described as an uplifting strings-heavy R&B-influenced midtempo track, was written by Takahiro Maeda and composed, arranged and produced by H-Wonder.