Uchiha Sasuke has admired Itachi since he was a child, but Itachi doesn't know. Uchiha Itachi has admired Uchiha Shisui since he was a child, but Shisui didn't know it. When Uchiha Shisui grew up, he especially admired his junior Senju Haru, but Senju Haru knew it. Senju Haru has admired her master Senju Tsunade since she was a child, and Senju Tsunade knows it very well. Senju Tsunade...... She has no one to admire since she was a child.