Miku, who only wanted to help her sick mother, begged her uncle to lend her the medical expenses with the hope of relying on him. Although her uncle promised to help her mother, he deceived Miku and imprisoned her underground! When she resisted fiercely, she was threatened with "Don't you want to save your mother?" and was forced into a situation! Eventually, she was turned into a submissive slave who repeatedly experienced violent convulsions and orgasms while rolling her eyes from bondage training!!
