Tortoiseshell bound bride ~A young beautiful bride who feels tied down by her father-in-law~

Nao and her husband are moving into a new house, so she cleans up with her father-in-law, Toru, on behalf of her busy husband. Nao had learned from her husband that her father-in-law, Toru, was a former sailor and that he used to be tied up with ropes and punished, but Nao adored Toru like he was her own father. One day, Nao breaks the precious plate Toru gave her. When he feels responsible for this, he asks Tooru to tie him up and scold him. However, Nao feels an unprecedented pleasure from her father-in-law's skillful handling of the rope...