"Kagari Shiina's Route" is a storyline from the visual novel Kagetsu Tohya, which is a sequel to Kanon. In this route, players explore the relationship between the protagonist and Kagari Shiina, a mysterious girl with a unique background and personality. The narrative delves into themes of love, friendship, and personal growth. Throughout the route, players make choices that influence the outcome of their interactions with Kagari. The story reveals her struggles and the impact of her past, ultimately leading to a deeper understanding of her character. This route is known for its emotional depth and character development.