We can't have children, so my father-in-law suggested we go on a hot spring trip to change our mood. But... it didn't work. Feeling sad that our sex with my husband had ended unsatisfactory and anxious about our future married life, I was enjoying a private hot spring alone when my father-in-law, who was supposed to be asleep, came in. "He was no good after all... I thought this would happen (lol)." My father-in-law, who has a strong sexual appetite, came inside me and I came many times...