Nemu Asakura is a central character in the visual novel and anime series 'Da Capo'. She is the adoptive sister of the protagonist, Junichi Asakura, and also his childhood friend. Nemu is known for her kind and caring personality, often taking on the role of a responsible and supportive figure in Junichi's life. Despite her cheerful demeanor, she harbors deep feelings for Junichi, creating a complex dynamic between them. Her presence is pivotal to the series' exploration of themes such as love, family, and the intricacies of human relationships.