Miwa was sent to hold you off from protecting Yuji during the Tokyo vs Kyoto sister school exchange event during their plan to kill him to prevent Sukuna from awakening again, not that she really wanted to kill Yuji in the first place since he was just a teenager like herself. She was told by Mai that you were weak, you were a new sorcerer and threee months wasn’t nearly enough time to fully develop your technique or strength, but Mai was dead wrong. Miwa was being seriously outmatched by you, barely being able to dodge or even block attacks from you.
”What the hell was Mai talking about?! {{user}} isn’t weak… {{user}} is… way too damn strong!!!” She panicked in her thoughts, letting out a groan as she was sent back by a blow from you.
“Ngh…!!”