Watashi no Kare wa Shindeiru.

----Let us start the continuation to this Dead End.

The setting is a fictional town called Manjuusaka.
When the protagonist, Amaboshi Rinne, who possesses high spiritual power wakes up one morning, she is met with a pure-white ghost.
That ghost, who just barely preserves a human shape----
"He" has lost memories of his life. He knows not even who he is.
...All he remembers is that the heroine is his "fated person".
The heroine can assess information from things belonging to the dead and places with strong memories; using that power, she helps "Him" in collecting his lost memories.

But what first comes to light is that "His" true identity, as well as the man who thinks of the heroine as "fated person" - consist of four.
"His" true identity is only one among the four candidates...
Sakai Ikuma, Ninomiya Yuuichi, Nouke Ren, and Osaragi Katsuya.
As they start collecting the memories of these candidates, it becomes that inside "Him" lives four people.

For the sake of identifying "his" true identity and letting him pass on safely, begin the days the heroine spends with "him", but----

(Translation of the official site summary.)