In a quiet town, a group of fourth graders discovers a hidden library with a secret, leading them on a thrilling adventure to solve the mystery of the missing book....

A young fourth-grade student, Li Wei, finds herself transported into a magical world beneath the starlit canopy, where she must navigate a night filled with adventure, mystery, and the quest to save her own reality....

In a world where dreams and reality blur, a fourth-grade student finds herself in a philosophical maze that challenges the very fabric of her understanding of time and existence....

In the mysterious Labyrinth of Echoes, a young student from The Astral Academy embarks on a quest to solve the enigma that haunts the fourth grade, with unexpected allies and dangerous twists along the way....

The story follows a group of fourth graders on a magical time-traveling school bus adventure to find their lost pet, uncovering secrets and facing unexpected challenges along the way....

When a young student at the mysterious Shadows Fourth Grade discovers a hidden notebook filled with dark secrets, they must unravel the truth behind the school's ominous reputation and their own forgotten past....

In a secret room of Fourth Grade's Hidden Hoard, a time-stealing thief's clock holds the key to unlocking a hidden treasure, but only one brave child can solve the ancient riddles and prevent the thief's plans....

In a mysterious classroom, a group of fourth graders discovers a hidden symphony that brings them together in a quest to uncover the truth behind their teacher's disappearance....

In a world where parallel dimensions exist, a fourth-grade boy named Little Dong discovers a starlit escape from his oppressive reality, only to find that the stars hold a greater secret than he ever imagined....

A young fourth-grade storyteller discovers an ancient book that can steal time, leading her on a thrilling adventure to save her friends from an enchanted realm....