After confronting the Horror Gagoiru in the west, outside his area, Kouga is ordered not to set foot in the area again. Meanwhile, during her attempt to uncover the truth behind the final blank page, Kaoru finds a clue in an interview by sculptor Kouhei Kuramachi who states her father as an inspiration to him. Entering the western territory, Kaoru finds Kouhei's studio. However, learning that Kouhei never met her father, Kaoru is forced to run for her life when she realizes he is a Horror's host. Though Zero comes to her aid, Kouhei flings her over the ledge with Kouga arriving to save her in spite of the disobeying the Watchdogs. Forced to stay at the sidelines, Kouga witnesses Zero battle Gagoiru, killing the Horror as its host was in awe of Zero's beauty. After being thanked by Kaoru, Zero walks off while revealing his true name: Rei.
父・由児を尊敬していたという造形家・倉町公平を訪ねるカオル。彼女に造型のモデルを頼み込む倉町。一方、ホラーの気配を追って西の管轄にまで足を運んだ鋼牙は、ガーゴイルを取り逃がしてしまう。三神官から管轄を越えた行為を忠告された鋼牙だったが、カオルがホラーと接触したと知り再び西の管轄へと向かうが…。
