Hiromu Arakawa is the main character and autobiographical stand-in for the author in the manga series 'Hyakushou Kizoku' (The Peasant Noble). The story humorously chronicles her life growing up on a dairy farm in Hokkaido before she became a famous manga artist. Hiromu is portrayed as hardworking, resilient, and witty, offering readers both comedic and insightful perspectives on rural life. Her experiences, struggles, and growth form the heart of the series, making her role central and deeply personal.