Katsuyo Kurabu is a student at Inspiration Academy, renowned as the school's genius manager. She specializes in boosting team performance through high-energy motivational techniques, utilizing persistent encouragement and physical props like pompons and constant cheering. These intense methods, while undocumented in their specifics, often visibly exhaust recipients. Her management style features intense engagement and occasional hyperactivity, which proves overwhelming rather than helpful outside athletic contexts. For instance, her efforts to assist a student with creative block caused significant distraction and increased frustration, failing to resolve the issue. Katsuyo remains unwavering in her commitment, persisting with her approach even when it proves counterproductive.

Physically, she has ochre hair styled in twintails with ribbons, green eyes, and a teenage appearance, typically depicted in a school uniform with accessories like knee-high socks. A distinctive ahoge is also present. Her surname, Kurabu, combines the kanji for "warehouse" (倉) and "department" (部), while her given name, Katsuyo, means "victory" (勝) and "generation" (代), following the academy's pattern of meaningful names.

One documented incident involved her deliberate confinement in a small room with another student to pressure him into meeting a writing deadline, leveraging her reputation for resolving performance slumps. This assignment marked her first outside sports management and highlighted the mismatch between her sports-oriented techniques and the needs of creative facilitation.