The world is at peace, but there are still everyday dangers. So, a new breed of protectors, known simply as "Heroes" have arrived on Earth.  Shy is Japan's new Hero, but is she ready to be a Hero? What does it MEAN to be a Hero anyway?
Doki Doki Heartful Attack!
!هجوم دوكي دوكي هارتفول
Poch-Poch-Herzchen-Attacke!
¡Dokidoki Heartful Attack!
¡Dokidoki Heartful Attack!
Palpitant Heartful attack !
Doki Doki Heartful Attack!
Ataque Doki Doki Heartful!
Волнительный сердечный удар!
หัวใจตึกตัก ๆ ฮาร์ตฟูลแอทแทค!