My Sister

Seducing my sister, age 47. I'm now leaving it up to you, the readers to tell me how to seduce my sister. What should my next move be? We regularly speak via WhatsApp. We live about 2000 miles apart and I am seeing her in a few months. What can I message her? Ill be following the comments, and will be providing regular feedback on her responses to the messages I send her. She has been single for 3 months now. No children. Side note, the last time I saw her, I found naked pictures of her on her phone. She does not know that I saw them.