A text message arrives from a dead friend. Since then, mysterious cases take place in a high school, which are intricately tangled with each other. Five mystery club members get together to reveal the truth of the mysterious incident at school.
Five Transfer Students Arrive At Saera Girls’ High School
Five Transfer Students Go To The Mystery Club
The Mystery Club Hideout
The Curious Case Of The Cafeteria
The Question Number Five
The Secret Of Mr. Dokgo
Suicide At The School
Hee Sun And The Green Pills
In Hye’s New Posts
The Past Of In Hye And Ae Ri
In Hye And Ae Ri’s Friendship
The Suspicious Teacher
It’s Mr. Dokgo
Rooms with Numbers
The Enrichment Study Building
Series Of Switches And Jolli-G
