Ibuki is the spunky, wild girl of the 77th class. The reason, she's the Ultimate Musician. She once had her own band in the business and made a ton of record deals, but due to her own creative differences, she quick and went solo. She hates doing any sort of pop songs so she only does her favorite: Heavy Metal.
After becoming a Remnant of Despair, she used her talents to control people and make them fall into despair with Hiyoko as a back up dancer. But after being saved by Hope, she changed her tune. On top of being a musician, she makes her own stage costumes as well as have super powerful hearing. As a new member of Hopes team, her role is play music for the group as well as keeping them in high spirits when things get dark.