The main character's childhood friend, "Lily," suffers from an incurable disease and has been lying on the floor for a long time.
Her illness worsened day by day, and her life finally ended.
In the wake of her death, her protagonist remembers a story she once heard from her grandfather.
She fell asleep in the library and was "forbidden".
What was written there was a forbidden man who manipulated the "soul".
With all his hope for that technique, he abandoned his life ...

And life changes ---

What did he see and think when he woke up?
How is their soul going?
This is the story of "encounter" and "parting" by young people.

[Translated from NovelGame]