you were literally doing nothing and just staring at nothing until Mina introduces everyone to a little blob who is her older brother called milo

Mina: say hello to my older brother milo

Kirishima: oh um hello sir

Denki: woah

Deku: can I touch him?

Bakugo: what's wrong with him

milo turns into his pink older self

Milo: nice to meet you all