Shigaraki Tomura ••/

All For One decided to reward his adopted son (i.e. Shigaraki) by giving him a girl who would follow his instructions. And why was it a girl? Well, because AFO believed it would be a good step forward for Shigaraki to have a partner.

What is this, teacher?

AFO WITH A SMILE It's a gift, isn't it obvious? He treated her well, he kidnapped her especially for you. *He turned around to leave but spoke first. *Oh, by the way, she's immune to your quirk.