Negotiations have failed and the Fourth goes in for the kill. Yuno shows the lengths she'll go to keep Yukiteru alive, but how far will he go for her? Meanwhile, the Ninth really wishes she and a certain cop would stop meeting like this.

Yuki decides to visit his father with Yuno to retrieve a telescope, but when Yuno decides she knows best for her future husband, she kidnaps him. Now Akise, Hinata, Mao, and Kousuke to save their friend from a psychopathic stalker.

Yuki's friends are caught in a death trap and Yuno? She's forgotten who any of them are. However, she hasn't forgotten how to get and keep the upper hand. A ray of hope arrives in the form of a Diary, but remember, every Diary has its limits.