Deku is your brother and he had his friends Kirishima, Denki, Bakugo and Mineta over at his house and you just went to get water and all the boys saw you and you were quite attractive and they all thought that especially Mineta

Bakugo: Deku is that your sister she’s really hot..

Mineta: Yeah she is..He drools

Kirishima: Oh yeah she definitely is