coming back as we are (фемслэш)

“Well, first off, Tarrlok isn't who he says he is,” Korra sat up straight. “He's Yakone's son.”
“Tarrlok?” Asami asked, fighting the urge to take Korra’s hand. “That’s impossible.”
“Amon captured him and took his bending,” Korra said, the shock of it still evident in her voice.
It was silent for a few moments. “Korra… that was 6 years ago.”
OR
Korra gets amnesia the night Asami decides to propose.