To make things a bit easier, Itachi decided to kill Izumi first. Itachi visits Izumi, separates her from her mother, and places a powerful Tsukuyomi on Izumi. According to history, the Tsukuyomi that Itachi used
Itachi's lover was revealed to be Izumi Uchiha. She was another member of the Uchiha clan who was infatuated with Itachi throughout most of their lives. Izumi was the first member of the Uchiha clan to die at Itachi's hands. He used the Tsukuyomi to allow her to live an imaginary life...
"If I had been open with you from the start… and looked you straight in the eyes and told you the truth, then I wouldn't have had to stand before you, from above, as a failure, telling you all of this. So this time, I want to impart this truth to you…