Izuku isn't about to just attack. He has to declare himself first. With the power of One For All sparking around him, he yells,

"Stop right there, Toga Himiko! You're wanted for murder and assault!"

The agility matches her, even if the demeanor doesn't. Trying to pretend as a cover? There's no one else here, is there? Well, she's made now, so she should revert back to her usual creepy self... right?

Izuku doesn't just have super strength up his sleeve. He releases black energy-like tendrils from his hands, intent on binding his target.