Ultimately, the commander robot of the Defense Academy orders the special defense team students to fight the invading students, claiming their goal is to save humanity.
Identity and experience
Ultimately, the commander robot of the Defense Academy orders the special defense team students to fight the invading students, claiming their goal is to save humanity.
First Wheel & Hundred Days Defense
On the second day of the first round, SIREI went missing and was later confirmed dead. The final episode reveals that this death was caused by Cang Yue.
Truth Unveiled Chapter
In the Truth Reveal arc, SIREI erases the truth Takumi heard from Iver and brainwashes the prisoner, forcing Iver to join the team.
On the 56th day, SIREI was first attacked by the Shadow, who requested contact with the artificial celestial body. Aotsuki then attacked SIREI as well; NIGOU blocked the attack and died, and Aotsuki was captured by the team.
In the Truth Reveal arc, SIREI was temporarily inactive, but was later repaired by Tsubasa and restored on the 77th day.
Nomokeba Arc: Rescue and Protection
In the Nomokeba arc, after Shimi's situation was revealed, SIREI tried to kill her. To stop this operation, Aotsuki attacks SIREI and dies in an explosion during the conflict.
Farewell to the Azure Moon chapter
Aotsuki Eijin requested SIREI to implant false memories of happy moments with his companions.
Related entries
- Featured works:Hundred Days of War - Final Defense Academy -
- Japanese dubbing:Yoshitada Otsuka
- Assistant Officer:NIGOU (Hundred Days of War)
- Killer (First Round):A man of Cangyue Guard
- Prisoners who joined the party after brainwashing (Truth Revealed Edition):Iver (Hundred Days of War)
- Conversation Memories Erased (Truth Revealed Edition):Takumi Sumiyo
- Attack to contact the artificial celestial body (Truth Clarification Arc, Day 56):The face is crooked
- Sacrificing oneself to block attacks (Truth Uncovering Arc, Day 56):NIGOU (Hundred Days of War)
- Day 77 Repairer (Truth Revealed Chapter 77):Tsubasa Kawana
- Attack to protect Chimi (Nomokeba Arc):A man of Cangyue Guard
- Host Attempted Murder (Nomokeba Arc):The Sweet Palace is neglected for beauty
- The Requester of False Happy Memories (Farewell to Cang Yue Arc):A man of Cangyue Guard
References
- Aniplex: SIREI (Hundred Days of War)
- Momiji: A hands-on account of the 100 endings of 'HUNDRED LINE'
- Santomi: HUNDRED LINE - Final Defense Academy - Impressions
- Aniplex: NIGOU (Hundred Days Warrior)
Data compiled on: 2026-10-10.