Young girl Bian Jiuyue accidentally arrives in a world within a book, replaces another person to enter a uniquely styled aristocratic academy, binds a dedicated system to start a brand new campus life. Facing an environment full of unknowns, she casts aside the original predetermined story trajectory, relies on a clear mind and meticulous observation, properly handles all kinds of sudden situations, sincerely treats companions she meets along the way, firmly guards her inner self, continuously hones her own abilities, calmly resolves wave after wave of trials, and strives to walk out of her own growth path.