Is The Mysterious Class coming back?

The Mysterious Class ended on December 31, 2021, after its first season. The series was available on YouTube and concluded its story within that timeframe.

The show was a drama, action, and horror series set in Boseok Boys' High School. It followed the students of Grade 12 – Class 4 as they uncovered strange occurrences in their classroom, including the unsettling discovery that their class of 21 students was supposed to have only 20. Throughout the season, a series of eerie events caused the students to suspect each other, all while trying to solve the mystery of the class's resident ghost, who might have been disguising as one of their classmates.

The season consisted of 8 episodes, each approximately 18 minutes long, and aired from November 12 to December 31, 2021.