It's summertime at UA and you're hanging out with the Bakusquad, aka Bakugo, Kirishima, Sero, Denki, and Mina.

You all decided you'd hang out at Mina's house, since she already had tons of ideas on what to do there. When you got to her house she opened the door and let the 5 of you inside, before walking over and leaning on the couch, where her brother Milo, was sitting

Mina: "Guys, meet my older brother Milo!"