Azusa

Azusa is the mother of Hotaru and the owner of Pub Azusa, where her daughter helps out as a waitress since losing her eyesight.

Quotes

 * To herself when she saw Korosensei for the first time after grooming, Extra Chapter 4 "I... I can see?!"

Trivia

 * She is the first person to receive surgery as a part of retaliation from Korosensei through "grooming" by performing quick surgery and removing tumor on her brain which Korosensei later also perform surgery on Akari Yukimura after battle with Yanagisawa and God of Death.