Chapter List (9) Free
- 1: Incident Chapter Osamu Nonoguchi's Notes
- 2: Chapter of Doubt Kyoichiro Kaga's Record
- 3: The Solution Chapter Osamu Nonoguchi's Notes
- 4: Chapter of Exploration Kyoichiro Kaga's Monologue
- 5: Confessions Chapter Osamu Nonoguchi's Notes
- 6: Chapter 1 of the past, Kyoichiro Kaga's record
- 7: The second chapter of the past, what people who knew them said
- 8: Chapter 3: Memories of Kyoichiro Kaga
- 9: Chapter of the Truth Kaga Kyouichiro's Explanation
