- Chapter 9: Japan Sinks (Takao Saito) Vol.4 Chapter 9: Japan sinks 4 years ago
- Chapter 8: Japan Sinks (Takao Saito) Vol.4 Chapter 8: Rescue 4 years ago
- Chapter 7: Japan Sinks (Takao Saito) Vol.3 Chapter 7: The day of destruction 4 years ago
- Chapter 6: Japan Sinks (Takao Saito) Vol.2 Chapter 6: The Sinking Country 4 years ago
- Chapter 5: Japan Sinks (Takao Saito) Vol.2 Chapter 5: The Japanese archipelago 4 years ago