Tsuyu Asui (蛙あ吹すい梅雨つゆ Asui Tsuyu?), also known as the Rainy Season Hero: Froppy (梅雨入りヒーローフロッピー Tsuyuiri Hīrō Furoppī?), is a Pro Hero in Musutafu, Japan, previously a student training at U.A. to become a Pro Hero. Frog (蛙かえる Kaeru?): Tsuyu's Quirk gives her a frog's physiology and allows her to do anything a frog can.