Beat Angel Escalayer
Sayuka Kouenji, is the Escalayer, guardian of the Earth against the dark forces of the Dielast. By her side is the android Madoka, and it is Madoka's job to track and recharge the source of Sayuka's power, the Doki Doki Dynamo. Located within Sayuka's body, the Doki Doki Dynamo can only be recharged when Sayuka experiences a high level of sexual arousal which, untill recently, Madoka has been able to provide her. With unacceptably low enrgy levels facing them, Madoka brings in the assistance of Kyohei Yanase, a boy from Sayuka's school.