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Three months have passed since she started working as a visiting helper, and Chihiro has become accustomed to taking care of Yuji, the grandfather of the Yamada family. One day when I felt rewarded every time I saw Yuji's smile, who lived with his grandson Nobuo after his wife passed away. "You must have been seducing your grandfather." Furthermore, he is forced to "do the same to me". After that day, Nobuo's behavior escalates as Chihiro is unable to tell Yuji.