Ran lost her father and lives with her mother Sumie. One day, while Sumie was away on a trip, a man came to visit. The man is said to be Sumie's boss when she was an office lady. The man's expression suddenly turned grim and he began to talk about how he and Ran's father were romantic rivals. ``Frustrated by love, I raped Sumiko in front of your father, got caught, and spent 20 years in prison!'' The man attacked Ran while spitting out these words...