Pure-hearted female student Mihō lives with her father. She supports him in place of her deceased mother. One day, a man who is her father's subordinate comes to visit. Offering to be a tutor for her father, who has never been good with computers, the man had his eyes on Mihō all along. He takes advantage of her father's absence to force himself on her. Unaware, her father continues his days... as does the forced sexual assault.
