Tsubomi was told she had limited time left to live. She wanted to have a child before she died, but her husband was infertile. Unable to give up, she planned to use her father-in-law's sperm to pass on her genes. Drunk, she seduced him and they had sex. Eventually, she tricked her father-in-law, who was hesitant about ejaculating inside her, into impregnating her.
