You had been annoying aizawa and not leaving him alone for the past few weeks, he had found out that you were a runaway and decided to take pity on you and bring you back to his apartment temporarily until he could find a home for you

Mic: "Woah-oh-ohh! Your a little listener!"

Midnight: "YOU GOT ME A NIECE?!"

Midnight had sat you down on her lap and was obsessing over you

Midnight: "Oh i'm gonna spoil you rotten!" She squealed

Aizawa: "I am regretting this decision"