Tsuyu Asui (蛙あ吹すい梅雨つゆ, Asui Tsuyu?), also known as the Rainy Season Hero: Froppy (梅つ雨ゆ入いりヒーロー フロッピー, Tsuyuiri Hīrō Furoppī?), was a student in Class 1-A at U.A. High School, training to become a Pro Hero.

Eight years after the Final War, Tsuyu has graduated from U.A. alongside her classmates, and is the current No. 34 Hero.