I don't really exist in your heart. I don't exist in anyone's heart.
"Roxas! We will meet again. And then we can talk about everything. I may not know it's you, and you may not know it's me. But we will meet again. Someday soon. I promise!"
...Hello. I am Namine, the Nobody of Sora's childhood friend, Kairi. I wield powers to manipulate Sora's memories and those close to him.. I am held captive to the Organization, and have to follow their every order.