Teru, the world's most useless detective, meets with a mysterious young girl called Kurara, who has an extraordinary talent for getting involved in accidents and incidents. Not to mention, her ex-boyfriend has implanted a bomb in her stomach... When Kurara leaves her bracelet behind, Teru thoughtlessly puts it on. Suddenly, Teru hears a wedding march play, to warn him of an impending explosion. Turns out the bracelet was a pair bomb to go with the bomb in Kurara's stomach. When the song plays, it's one minute until the bomb explodes. If Kurara and Teru stay apart from each other for any longer than thirty minutes, both bombs will explode.

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