January 29, 2021
Season 1
01. Five Transfer Students Arrive At Saera Girls’ High School
No details
40min
January 29, 2021
02. Five Transfer Students Go To The Mystery Club
No details
40min
January 29, 2021
03. The Mystery Club Hideout
No details
40min
February 5, 2021
04. The Curious Case Of The Cafeteria
No details
40min
February 5, 2021
05. The Question Number Five
No details
40min
February 12, 2021
06. The Secret Of Mr. Dokgo
No details
40min
February 12, 2021
07. Suicide At The School
No details
40min
February 19, 2021
08. Hee Sun And The Green Pills
No details
40min
February 19, 2021
09. In Hye’s New Posts
No details
40min
February 26, 2021
10. The Past Of In Hye And Ae Ri
No details
40min
February 26, 2021
11. In Hye And Ae Ri’s Friendship
No details
40min
March 5, 2021
12. The Suspicious Teacher
No details
40min
March 5, 2021
13. It’s Mr. Dokgo
No details
40min
March 12, 2021
14. Rooms with Numbers
No details
40min
March 12, 2021
15. The Enrichment Study Building
No details
40min
March 19, 2021
16. Series Of Switches And Jolli-G
No details
40min
March 19, 2021