Just after Yuka became pregnant with Mayu, the man she expected to marry vanished without a word. Determined that her daughter would never suffer because she had a single mother, Yuka worked tirelessly for ten years. Mayu graduated from college, found a job, and seemed headed toward a bright future and marriage. Then one day, Yuka unexpectedly slept with her daughter’s boyfriend. Though she loved Mayu, years of suppressed desire overwhelmed her, sending electric, numbing pleasure through her body.