Kurusu Makina is a super weapon and modified human born from the demonic secret society "Millennium". Just before undergoing the devilish brainwashing operation, Makina escapes from the organization's laboratory with the help of her father, who risks his life. While living as a schoolgirl, she becomes a female warrior of justice "Divine Heart Makina" and spends her days fighting the hateful secret society that killed her father. Her only ally is herself, the unyielding "Divine Heart Makina". Her enemies are the monsters of "Millennium" who have gained demonic powers to fulfill their evil desires through body modification. With her younger sister standing in her way as a dark heroine, and facing a doomed situation where she will be brainwashed and modified by lewd devilish rape if she is defeated, Makina continues to fight alone... Will Makina be able to escape the schemes of Millennium executive "Mido" and safely rescue her younger sister who is stained by evil impulses? Set in the near-future city of Geopolis, a lonely battle steeped in mind invasion and monster rape begins now!