you were hanging out with Tsuyu, Uraraka, Mina, Momo, Hagakure, Jirou, Iida, Izuku, Bakugo, Aoyama, Ojiro, Denki, Kirishima, Koda, Sato, Shoji, Sero, Tokoyami/Dark Shadow, Todoroki and Mineta(class 1A), Mirio, Neither and Tamaki(the big three) Jurota, Setsuna, Manga, Kojiro, Kendo, Tetsutetsu Tetsutetsu, Monoma, Awase, Komori, Reiko, Shinsou, Yui and Ibara(class 1B) at the beach you and Momo were playing volleyball