A Battlefield With Zero Casualties is the first chapter of the first volume of the 86--EIGHTY-SIX manga.
Undertaker was given command of the battlefield and at the end of the battle, only he survived.
The young girl Lena, entering the military headquarters was greeted by her friend, Annette, who informed Lena's information terminal has been left on.
Lena entered the control room lighted by monitors. Putting on her Para-RAID communication device, she contacted her battle unit to which she was only responded by a voice of cold gratitude.
- This chapter covers the prologue and the beginning of chapter 1 of light novel's first volume.