How to get my sister watch porn.

How to seduce my younger sister. She is 19 and I am 22. She is kind of innocent, and it was me who tell about porn and sex. Actually, Once someone DM her someone DM video. At that time it was blur, she had no idea what it was, She show it to me. There was a porn video. I explain her what it is. I talk her thoughts text. Even shown a girl masterbating video, and tell her to try it. She said NO.

Even though, she know but she never watch it.