Codename: Remnant-01

Codename: Remnant-01 (コード名：レムナントゼロワン) is a Japanese cross-over fanfiction in the  created by, originally produced by  and , and written by TimeLordInfiniva.

The series' main tagline is "Mixed between two worlds, a myth becomes reality." (二つの世界が混ざり合って、神話が現実になります.)