• Book Name: Touhou - Gensou Suibotsutan (Doujinshi) Manga
• Alternative(s): (C79) Tale of Deluged Fantasy Part 1 (Touhou Project); (C79) 幻想水没譚 其ノ一 (東方Project)
• Genre(s): Adventure Fantasy
• Author(s): Clash House (Circle), Hirasaka Makoto
• Status: Completed Download Manga
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Summary: One day Reimu wake up only to find Gensokyo has submerged. A single fairy has wash ashore. The two of them go out to find the culprit of this incident. Despite the Part 1 in the name, a second part was never released.