While the Castle Ship is lockdown for repairs, a paladin's body is found in the common room, and one of the four remaining paladins (and Shiro) are responsible! Minds and friendships are tested as they try to figure out who the culprit is. (Trigger warning : Main Character Death, and also if you don't like grotesque descriptions of a crime scene, and another trigger warning for mentions of mental instability and suicide)

Takashi Shirogane's younger sister Allie Shirogane is heartbroken after her brother went missing on the Kerberos mission. Follow her on her journey to recovery and trying to figure out what happened to her brother. Will they be reunited or will she be alone for the rest of her life? ~I do not own the cover~