Father's woman

Since losing my mother to illness five years ago, I have been living with my father, who is a long-distance truck driver. My father gradually became addicted to alcohol and was living a life of a susan. One day, my father brought Reiko with me. Reiko, who is pretty and sexy, is roughly out of proportion to her father, was too dazzling for me, who doesn't know women. Then, instead of my father, who had to leave the house for several days due to work, Reiko ended up taking care of me...