Hitotsubashi Kiriko's Crime Diary

The Promising Plan K (1x4)

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Kiriko is told to move out of her apartment, and in desperation she decides to pursue kidnapping. By this time a group of characters have formed to assist her prison challenge, including her work boss Kudo Itsuki, the money lender Kazuo, and Enomoto Yukina, a young girl she had befriended. They put together a scheme of kidnapping Yukina and getting a ransom for her. Kiriko somehow makes it through the kidnapping, the phone call demanding ransom and the receiving of the ransom, but when she finally thinks she would successfully be arrested, the matter takes an unexpected turn.