A mother, Hina, who lost her husband two years ago and lives with her son. Due to her job, she moved a lot, and her son had a hard time making friends. One day, her son brought a friend named Yuji home. Yuji is happy that her son has made a friend, but Yuji lusts for Hina's beauty and erotic body, and is violated by her son's unawares... Yuji becomes radical with Hina, who does not resist for her son's sake. To go….
