Ayase Kokoro's family went on a hot spring trip together for a few days to relieve stress. Things went too far when her father-in-law saw her hot body and he couldn't control himself and tried to rape her. After that, this father went to this daughter-in-law and carried out his actions, despite her fierce resistance. During the entire trip of those few days, this daughter-in-law was pounded all over by her father. Will someone be discovered?