Kengo returned to his hometown, which had been seven years away after being told by Reiko that his mother had died. It was Aya and Reiko who welcomed him.
Because they were concubinage children, the girls were trapped in the mansion all the time and became scared to go out.
Kengo meets his father, who wears a fox face, to release the girls.
However, he ran away because he couldn’t look directly at his father’s face.
After that, when Matsuko asked me to go to the hot spring, naked girls …!?