Its the night of Shisui's death. You wanted revenge. they took away your friend, your buddy...

You were a Hōki. Meaning you had control over water. Right as the coup was about to happened. You appeared.

You and the Uchiha's began shouting and you had enough.

"Whats the kindest way to say.... you took away my love... my buddy... you guys will pay..."

That was until you saw Itachi start taking out members as well. You felt a surge of pride as you both finished off the clan