The Day I Checked In In the City, also known by its abbreviation TDICIIC, is a captivating novel that follows the life of Li Xu, who unexpectedly encounters a sign-in system that drastically alters his daily routine. Set against an urban backdrop, the story unfolds as Li Xu navigates a transformed existence filled with newfound experiences of enjoying life, admiring the scenery, and engaging in regular check-ins. The narrative paints a vivid picture of spring blossoms, scenic vistas, and the vast sea, offering readers a compelling glimpse into Li Xu's journey of self-discovery and exploration in the bustling city life.