who was the one who asked me at night? Ninomiya Wako

One day, Kazuka, who was born as the third daughter of Ninomiya Taifu, the president of Ninomiya Construction Co., Ltd., went to the head family where his eldest daughter Chizuru and his wife lived at a family gathering. The house suddenly goes out of power when the flower blooms at the reunion for the first time in a long time. That night, a mysterious man broke into a Japanese futon trying to fall asleep in the dark. Wako who was not able to resist the act without saying anything. Who came to talk at night? At such a time, the screams of tearing down the silence of the dark night resonated inside the house.