Perhaps you’ve imagined your dreams coming true? One day, humans' dreams materialized into reality, satisfying their cravings and fulfilling their desires… a fantastic development, certainly. Yet, after the first nightmare materialized itself, sleep became an unspeakably horrific taboo in Gensokyo. The Dream Manifestation Incident has begun…
Take control of Reimu Hakurei, Marisa Kirisame, Sanae Kochiya and Sumireko Usami; uncover the truth behind the suspicious phenomenon, and solve the incident that has shaken Gensokyo's very foundations.