Mika Jiro

Mika Jiro (耳郎美香 Jirō Mika?) is the wife of Kyotoku Jiro and the mother of Kyoka Jiro.

Earphone Jack (イヤホンジャック Iyahon Jakku?): Mika has the same Quirk as her daughter, who inherited it from her. Most likely, she can plug her earlobes into objects and channel sound waves through them.