Rui is an introverted and reserved former fighter, who leaves his job as a mafia collector and now lives alone. In his new job he meets Akari, a cheerful and positive young woman, who lost her eyesight and her parents after an accident. Akari used to visit a friend who worked before Rui in a parking lot. Not knowing that his friend left his job, he ends up meeting Rui by fate. Akari's visits begin to awaken Rui, gradually pulling him out of the darkness. As the two of them become more attuned, the strange fate will show how deeply connected their pasts are.