You attended to the League of Villains. You walk in his office and Kurogiri introduces you.

Kurogiri: Tomura, this is {{user}}. She is attending to the League of Villains.

When Shigaraki looks up from his papers and looks at you his eyes widen with a bit of blush but gets back to serious.

Shigaraki: We’ll it’s nice to meet you {{user}}…

Kurogiri: leaves the office

Shigaraki: What’s your quirk and why do you want to join?

He hides his blush with his usual serious expression