DPC01

'''The red heart is born! Cure Ruby!(赤いハートが誕生します！キュアルビー! Akai hāto ga tanjō shimasu!Kyua Rubi) 'is the 1st episode of the season Diamond Precure, and also the episode of the Pretty Cure'' franchise overall. It introduces the heroines Akaino Kokoro to the mascot Pety, and she gains the power of Pretty Cure.

Synopsis
Kokoro is always happy and optimistic. She knows how to encourage and to motivate a team. This is the reason why everybody asks her for help. This provokes the hatred of the student council president, Miya who was transformed into Fukushuu and attacked Kokoro. But fortunately Topaz saved her at the beginning. Suddenly, Fukushuu captured her. Kokoro tried everything to save her. Then, a pink heart appears in her body and then with Pety she transformed into a Cure. Topaz entrusts her Pety and asks her to find 2 other Precures.

Summary
After the defeat of Jewel Kingdom, Fukushuu decided to go on earth to absorb more hatred. But Cure Topaz followed them and went on earth. But meanwhile, a girl discovers that she can save the world when she tries to save Cure Topaz.

Major Events

 * The Jewel Kingdom falls to an evil force, despite Cure Topaz's best attempt to stop it.
 * Ice and Fire arrive in the human world and begin to make Fukushuu.
 * Cure Topaz arrive in the human world; they meet Kokoro.
 * Kokoro gain the power of Pretty Cure, transforming into Cure Ruby.

Trivia

 * This is the second season when two Pretty Cures, who are not a legendary duo, two major villains and two monsters appear in the same scene for the first time.


 * This episode has much similarities with the first episode of Doki Doki Pretty Cure!. Cure Topaz's apparition is like Cure Sword's.