TV-Series
Description
Mimi Katsura attends elementary school alongside Illyasviel von Einzbern as her classmate and friend, moving within the same social circle as Suzuka Kurihara, Nanaki Moriyama, Tatsuko Gakumazawa, Miyu Edelfelt, and Chloe von Einzbern. A younger brother expresses concern for her well-being. Initially, Mimi embodies sweetness, kindness, and consideration, consistently prioritizing others' needs – a selfless nature starkly revealed when Kuro drains her mana.

A pivotal misunderstanding involving interactions between Illya, Chloe, and Miyu, combined with Suzuka Kurihara and her older sister introducing Mimi to doujinshi, specifically boys' love content, transforms her into a dedicated fujoshi. This obsession fuels frequent interpretations of her friends' actions through a fervent BL lens, resulting in delusional excitement and uncontrollable behavior. Her friends ultimately regard this intense and persistent aspect of her personality as a lost cause.

Mimi possesses no magical abilities or combat skills, remaining an ordinary elementary school student. However, she develops a distinct talent for writing BL doujinshi scripts, directly stemming from her misinterpretations of the dynamics between Illya, Chloe, and Miyu. She is also characterized by a comically faint presence, often causing others to overlook or forget her in social situations, a trait used for humor.

Her design features standard school attire: a uniform, socks, and a hairclip. She appears in various episodes and specials of the *Prisma Illya* anime series, including *2wei Herz!*, participating in group activities and school events with the main cast.