Yukari Niijima, a girl leading a mundane life, finds herself plagued by nightly nightmares filled with puzzles, keys, and eerie creatures, disrupting her usual routine of work and subway rides.
Yukari Niijima, a girl leading a mundane life, finds herself plagued by nightly nightmares filled with puzzles, keys, and eerie creatures, disrupting her usual routine of work and subway rides.
