Turn up the volume on your My Hero Academia collection with Pop! Keychain Kyoka Jiro. Kyoka Jiro is a student in Class 1-A at U.A. High School, and she’s training to be a Pro Hero. Pop! Kyoka Jiro is outfitted with headphones and powerful amplifiers. Help her find the right mentor in your My Hero Academia collection. Vinyl keychain is approximately 3-inches long.