Hotaru Nogi, a married woman living with her husband and senile father-in-law after her husband passed away due to a traffic accident caused by herself. She blames herself for his death and feels guilty about it. As if that wasn't enough, her senile father-in-law's health deteriorates further, making him unable to hide his sexual desires towards her anymore. Despite everything, she accepts him... *Distribution method may vary depending on the recording contents.