The Wolf Duke’s Secret [+19 version] summary: To hide his “secret,” Alto only had cold, emotionless sex with Viviana even after marrying her. Viviana, who suffered greatly because of this and only gained experience through masturbation, ended up returning to the past. This time, she firmly decides that she will never marry Alto in this life. Unaware that Viviana has returned in time, Alto sees her acting more emotionally and thinks he needs to stop her. He promises that this time, he will try to have a proper sexual relationship with her…