1
The Heartbeat of Power
To protect Earth from the Dielast invasion, the amnesiac warrior Escalayer must power her Doki-Doki Dynamo through intense physical and emotional excitement. When current methods fail, Kyohei is coerced into helping Sayuka recharge her energy through intimacy. After successfully transforming to defeat a monster, Kyohei realizes that their connection may be the key to restoring Sayuka's lost memories.
2
The Assassin from Dielast
Sayuka struggles to maintain her transformation energy until a monster's attack inadvertently charges her powers. As Kyohei grapples with his insecurities and finds solace in a passionate encounter with Ryoko, a superior clone from Dielast emerges to challenge Madoka. The conflict intensifies as the heroes realize the vital connection between their sexual arousal and the "Doki-Doki" energy required to defeat their synthetic enemy.
3
The Heartbeat of Courage
To combat the powerful Misllene, Sayuka risks her life by utilizing an unstable Beta version of the Doki-Doki Dynamo. Through a deep emotional bond and a confession of love with Kyo-chan, Sayuka successfully charges the device and transforms into Escalayer. In a climactic battle, she overcomes Misllene's raw power with the strength of her own heart, securing a hard-won victory.