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.

The battle with the Sevenths reaches its explosive climax! Will Ai and Marco's "real" love defeat Yuno and Yukiteru's "fake" love? The two couples square off, but only one will make it out alive.