She's Kuroneko's younger sister, and she clearly admires her—even though she's pretty much baffled by whatever hobbies Kuroneko's into. A big fan of Meruru, she's someone who looks up to her older sibling despite not really getting what makes them tick. Kuroneko obviously cares about her a lot. There's also Hinata, their middle sister, who rounds out the family dynamic.
Content compiled by AnimeList.moe from publicly available sources.