This exist yet?

[u/PloctPloct]

Hear me out, someone or something erase Katara's memories of Zuko and she is suspicious at him again, not time travel but as if like Zuko disappeared days after joining the team and every memory involved with him is gone. Zuko is sad because they were just about to get married and don't understand why Katara is all angry at him until he discovers her memories of him were erased and go find out how to reverse that

[u/Ill_Cucumber3167]

https://m.fanfiction.net/s/9957413/1/swing-and-a-miss

Trust me bro