Shiho Nagaoka is a prominent character in the visual novel and anime series 'To Heart.' She is a lively and outgoing girl, known for her playful and mischievous personality. Shiho is a close childhood friend of the protagonist, Hiroyuki, and often teases him and other friends. Despite her sometimes brash demeanor, she is caring and deeply values her friendships. Throughout the series, Shiho provides comic relief while also supporting her friends, making her a beloved and memorable member of the main cast.