- Chapter 0.5: High School Devil Episode 5: Upperclassmen 6 years ago
- Chapter 0.4: High School Devil Episode 4: Dominance 6 years ago
- Chapter 0.3: High School Devil Episode 3: The Beginning of Conflict 6 years ago
- Chapter 0.2: High School Devil Episode 2: A New Life 6 years ago
- Chapter 0.1: High School Devil Episode 1 6 years ago