Koharu Yoshino is the main protagonist of the anime series 'Sakura Quest.' A young woman from Tokyo, she struggles to find stable employment after college. She unexpectedly becomes the 'Queen' of the rural town of Manoyama, tasked with revitalizing the area as part of a tourism campaign. Throughout the series, Yoshino grows from a directionless job seeker into a determined and resourceful leader, learning about community and self-discovery. Her character embodies themes of personal growth and the challenges facing rural Japan, making her a relatable and inspiring figure in the series.