|A Maiden's True Heart|
|Otome no Magokoro|
|Episode Director||Geshi Yasuhiro|
|Animation Director||Sakai Takahiro|
|Chief Animation Director||Sakai Takahiro|
|Japanese Air Date|
October 16, 2014
April 10, 2015
|Ending||Hoshi to Hana|
|← None||Noble Thoughts →|
Yuki Yuna and her friends, Togo Mimori, Inubozaki Fu, and Inubozaki Itsuki are all members of the Sanshu Middle School Hero Club, which is dedicated to helping those that request it via their website.
During class one day, upon each receiving a strange "forestize warning" message on their phones, the four girls find time has suddenly stopped around them before they are enveloped by a rainbow-colored light, soon finding themselves in a strange colorful forest. Fu, who had told the others to download a special app on their phones when they first joined the Hero Club, reveals that their club has been chosen by the Shinju to fight against mysterious enemies known as Vertex, whose goal is known as destroy the Shinju, killing the world as a result. When one of these Vertex appears and starts attacking, Fu tells Yuna and Togo to escape while she and Itsuki use their phones to transform into heroes to fight against the Vertex. Determined to protect Togo, Yuna awakens her potential as a hero and transforms herself, using her newfound strength to fight against the Vertex.
Character Appearances Edit
- By order of appearances:
- This episode title is based from the Cosmos.