"Kyoka Jiro", known in her Pro-Hero alias as "Hearing Hero: Earphone Jack", is a character of the manga My Hero Academia. Pragmatic, unenthusiastic and aggressive, Kyoka is a pro-Hero student who is social and friendly to many and irritable to a few. Although she uses her Quirk to dish out physical damage, Kyoka is known for her smarter approach and is capable of formulating plans for herself. She first appears in Hero Hunger Games Part 1.