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Episode 1
Episode number: 1
Overview: A homeroom teacher of Yosan Private High School has an accident, and thus a substitute comes to fill in. Han Bong-Gu is a mysterious man, and after strange occurrences the class president Ye-Rim tries to get to the bottom of this mystery.
Episode 2
Episode number: 2
Episode 3
Episode number: 3
Episode 4
Episode number: 4
Episode 5
Episode number: 5
Episode 6
Episode number: 6
Episode 7
Episode number: 7
Episode 8
Episode number: 8
Episode 9
Episode number: 9
Episode 10
Episode number: 10
Episode 11
Episode number: 11
Episode 12
Episode number: 12
Episode 13
Episode number: 13
Episode 14
Episode number: 14
Episode 15
Episode number: 15
Episode 16
Episode number: 16
Episode 17
Episode number: 17
Episode 18
Episode number: 18