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Shigeru and Mariko both abandoned their past families and remarried. Shigeru had a son, Makoto, from his previous wife, but Makoto did not want to accept Mariko, who had destroyed their family. One day, Mariko is raped by Makoto. Then, in order to avoid her father's knowledge, Mariko is humiliated and forced to use his dick under the table. Then, her son Kenichi, who was taken in by her ex-husband, appears before her, and Mariko is hated by both sons. And that hatred is directed at Mariko's hands...