YU-NO: A Girl Who Chants Love at the Bound of this World.

Takuya, a young boy dealing with the death of his father, gets a bizarre letter in the mail. It leads him to the local cliffs, where strange things are happening, and he meets a mysterious girl...

Takuya tries to find out what powers his new device has, as well as what its limitations might be. He gets the perfect chance to test it when his mother is attacked...

Ayumi holds a meeting with the townspeople to discuss the deaths from the lightning strikes. She’s beginning to crack under the pressure of running her job site.

Ayumi is acting strange the day after the meeting with the townspeople. Takuya begins to suspect that something is very wrong.

The time has come to put the Reflector Device to use. But Takuya will find that it’s harder than he thinks.

With Ayumi safe, it’s up to Takuya to prove her innocence. He breaks into Geotech with Kaori to get the info he needs.