As of late 2025, the author (who writes under the pen name K.T. Zephyr ) has hinted at a sequel Gaiden titled Spirit Witchs Gaiden: The Mirror Crack’d , which will follow a new Spirit Witch who enters the mirror dimension to learn magic from the imprisoned Morgan.
The story serves as a side-sequel to the original Bullet Soul . The narrative focuses on a new threat where digital spirits and "thought constructs" are overrunning reality. The central mechanic involves the "Spirit Gauge"—absorbing the energy of destroyed enemies to power up the player's ship. spirit witchs gaiden
Spirit Witch’s Gaiden is a standalone side story set in the wider Spirit Witch universe (hypothetical main series). Unlike the main games, which focus on grand magical battles and coven politics, the Gaiden (Japanese for “side story”) narrows its lens to a single, intimate tragedy. As of late 2025, the author (who writes under the pen name K