Kyouka Jirou

Kyoka Jiro, also known as Earphone Jack, has the ability to manipulate sound with her Quirk, also named Earphone Jack. Her Quirk allows her to send sound vibrations through her earphone jacks, amplify sounds, cancel out sounds, and even use the vibrations to restrain or grapple enemies. She can also channel her Quirk through the ground to create earthquakes.
Here’s a breakdown of her abilities:
Sound Manipulation:
She can amplify sounds, send them over long distances, and cancel out other sounds.
Sonic Attacks:
Her earphone jacks can be used to deliver powerful sonic vibrations to stun or damage enemies.
Restraints and Grappling:
She can use her earphone jacks to grapple and restrain opponents.
Earthquakes:
She can channel her Quirk through the ground to create tremors and earthquakes.
Support Items:
She uses specialized boots with amplifiers and speakers to enhance her sound-based attacks and maneuverability.
Weaknesses:
Kyoka is susceptible to powerful sound attacks and has a weakness to high-frequency sounds according to the World War Series Wiki