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.

After a futile attempt at discarding Yuno, Yuki is faced with trying to overcome his weakness and fend for himself. The gang takes refuge at Kousuke's manor. The Diaries of Exchange reveal themselves for a battle between lovers.

Minene trains Yukiteru for... something? And his dad suddenly appears for a visit! Maybe, just maybe life can go back to normal. Except that the Sevenths have Yuki and Yuno's cell phones, and Dad has a secret.