In this story, taeyeon was a half robot half human *i think hehe*. She rebelled and ran away from the city with tiffany *i think*. And she was being chased by her creators *i think* because she was special and powerful. But then her enemies found a way to copy taeyeon's abilities and used it against them. Aaaand that's it. That's all i remembered hehe but it was was awesome story so pleeaase someone help me find it huhu