The protagonist, Kaname Suzuhiro (name changeable), is a second-year university student. Kaname has the ability to experience lucid dreams and looks forward to meeting her late grandmother in her dreams every night.
Alongside her university friend, Masahi Tsuchiya, she leads a relatively fulfilling college life.

One day, in her dream, Kaname meets a man who calls himself a dream demon—Iska.
The dream world Iska takes her to is filled with all sorts of wonders, a truly dreamlike place.
There, she meets a quiet and enigmatic young man named Ibuki Kashiwaba.

As they spend time together in the dream world, Iska takes a liking to Kaname and traps her in the dream.

Will she ever wake up and return to reality?

[Translated from freem]