Hirose started working as a calligrapher in her twenties. She has worked on a wide variety of handwritten designs based on her unique ideas, designing business cards, brand names, titles, company logotypes, and logotypes for packages. She created and sold calendars and cards, produced designs for official documents (orders), and also worked on her own calligraphic works. Based in Toyota City, Aichi Prefecture, she has held brush-script writing seminars at various places. Since 2013, Hirose has been an instructor of writing in the style of the Onore Sho school.