Despite continuing to play in his unsuccessful band, Kohei is surrounded by good friends and a precious girlfriend and so he enjoys a normal life. But "one day" he loses everything. And although he knows he can never get his old life back, he decides to move on by writing a song.

This film revolves around the perils of a dating app. A single woman is recommended an app, however the person she matches with is different to his photo. At the same time, a serial killer is stalking his latest victims also using the same app.

An unknown person has started a mysterious "ceremony." It is something that already exists before meaning is even born. Once begun, it cannot be stopped. Is it a blessing, or a ritual of farewell? And where does the answer lie? The film portrays the story of one such "ceremony" that exists somewhere in the world.