- Fanfic: The Demon Within - A human holds the power of darkness that can only be tamed by the Four Heavenly Knights. Set before the original trilogy timeline.
- Fanfic: Demon's Dance - Being welcomed by open arms by the Heavenly Knights, Shadow follows their command in eliminating Black Alice and her followers. Set during the original timeline.
- Fanfic: Demonic Pair - Shadow pursues a creature hellbent on destroying the world, only to succumb to a lethal drug that sends him to a hellish nightmare. He learns that he can only escape with the help of a mysterious ally. Set after the post original trilogy timeline.
- Fanfic: Demonic Origins - Shadow is known as the "Demon Assassin", but he was not the first. 500 years ago, there was another legendary mysterious, monstrous, dark assassin who appeared to have completely faded from existence... until now.
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