"It's a dream. It's only a dream..."

It had been several days since master Raamil fell into the coma.
With mounting concern that Raamil's apprentice, Lauratt,
sought answers in the laboratory of the master, and discovered a special book:
"Meddling In Nightmares"

[From DLsite (https://www.dlsite.com/maniax/work/=/product_id/RJ181931.html/)]