Satake Hirofumi has recovered all of his memories: He used to live a happy life with his fiancé, Negishi Chie. One day, she attends a high school reunion. But someone so dangerous is lurking in the dark, looking at her... What is the tragedy that befalls the happy couple? The shocking truth behind the incident is brought to light.
I'm an ordinary, run-of-the-mill, 
human craziness researcher.
أنا باحث مهووس بشري عادي
Ein hundsgewöhnlicher,
08/15-Human-Bug-Forscher.
Solo soy un investigador
de locuras humanas común y corriente.
Solo soy un investigador
de locuras humanas normal y corriente.
Un chercheur en bug humain
on ne peut plus banal.
Sono un normalissimo e comune 
ricercatore di bug umani.
Sou um pesquisador de bugs humanos, comum,
que você encontra em qualquer lugar.
Я простой, ничем не примечательный
исследователь невозможных людей.