Having bested the Third Diary User with the help of Yuno, Yukiteru now has a giant target painted on him. A bomb wielding Diary User takes the school hostage, and Yukiteru must decide if he can trust Yuno, even though she's been stalking him!

Ninth is now in possession of Twelfth, a traitor in Sixth's cult. Sixth is able to trick Yukiteru, but Yuno tries her best to stop her. Yuno is eventually kidnapped by Sixth and Yuki comes to save her, realizing that he is in love.