Ran lost her father and lives with her mother, Sumie. One day, while Sumie was away on a trip, a man visited. The man claimed to be Sumie's former boss when she worked as an OL. The man's expression suddenly turned stern, and he began to speak about how he had been Ran's father's rival in love. 'I, who failed in love, raped Sumie in front of your father, got caught, and spent twenty years in prison!' As he spat out these words, the man lunged at Ran…
