Alternative names:
Maken-ki! Secret Training; Maken-Ki! Specials; Maken-ki!: Doki Doki! Maken-ki! Himitsu no Kunren; マケン姫っ! ドキドキッ!マケン姫っ!秘密の訓練
Each of the six volumes of the Maken-Ki! Blu-rays will carry a 10 minute long short anime “Doki Doki! Maken-ki! Himitsu no Kunren”. Secret trainings with the main characters will be animated.