A devastating disease called Melancholia spreads across certain areas of the city, causing the unfortunate person to lose their memories of their most important person. Kazanami Toki is unaware that he has caught the incurable disease, but "by chance" he meets his forgotten lover, Hanamiya Yuna. After their fateful encounter, he is left with a strange feeling he is unable to understand...
(Source: Rayns&Lele Scans)

A girl with nothing to her name and no blood relations embarked on a journey to find work only to find herself in a unfortunate accident... the time between the incident and her waking in an unfamiliar mansion are vague, but it seems as if she had been rescued by a man named Levi. However is this a blessing or a nightmare?