The Chains that Set You Free (фемслэш)

Azula has made no progress since she was sent back to the asylum. Ty Lee believes she can help her, with proper disciple. Tyzula. Takes place 3 years after the comics.
All characters 20 years or older. Explicit smut.
Preview:
“Liar! Betrayer!” Azula spat as she stepped closer. “Freak!” The orderlies glanced over as they prepared to intervene. Ty Lee got to her feet. “You fear me!”
“No Azula.” She said as she balled her hands into fists. “Something worse than that.”
“Worse than fear?” Azula scoffed as she pressed her forehead to Ty Lee’s. “Nothing is worse than fear.” The orderlies started to hurry over.
“There is.” Ty Lee whispered as she refused to back down. “I love you.” Azula froze and blinked at this incomprehensible answer.