Kyoka Jiro (耳じ郎ろう響きょう香か Jirō Kyōka), also known as the Hearing Hero: Earphone Jack (ヒアヒーローイヤホン＝ジャックHia Hīrō Iyahon Jakku), is a student in Class 1-A at U.A. High School, training to become a Pro Hero.

She'll Be Here In Little Witch Academia/My Hero Academia Crossover Show.