Fumina was stunned as she watched the semen overflow from her. The man was her daughter's boyfriend, who had come to take advantage of the time Fumina was alone at home. Unable to resist the young man's strength, she was forced to have him ejaculate inside her. At that moment, rather than anger or sadness, she felt a sense of guilt towards her daughter. For the sake of her daughter, she decided to forget about what happened today. With that decision, Fumina returned to her daily life. However, her body, now that she knew the young man was more interested in her than her daughter, has been aching ever since that day... Before she knew it, Fumina had begun to look forward to the day her daughter's boyfriend would visit again.