Naomi Yamaguchi (Baihui Yamaguchi) is the daughter of a diplomat who is entangled by hooligans in an accident. Fortunately, she gets the help of a man named Jiro (Yuwa Miura) to get out of danger. Jiro finally killed the hooligan by mistake and was seriously injured himself. A day later, Jiro was taken away by the police for investigation. Naomi learned that Naomi came to the police station and was willing to prove Jiro's innocence. After that, Naomi and Jiro were reunited again in Shinjuku, when Naomi was deeply in love with Jiro and invited Jiro to her birthday party. Naomi's family arranged for her to study in Paris. When she left, Naomi hoped to see Jiro for the last time. At the same time, Jiro killed the hooligan is a member of the gang Tsukada group, in order to avenge him, Tsukada team sent a killer to hunt down Jiro.
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