After his first day at school, Yuichi is able to stir the memories of Ayu, who happily recalls a promise he made to her years before. But the strange girl who later attacks Yuichi doesn’t seem happy at all.

Yuichi finds his feelings for Makoto growing, and his memory offers clues of who she might really be. Meanwhile, a girl named Mishio offers him startling information about Makoto - and a strange warning.

Yuichi is throttled by Mai’s revelation that the demons might come after him next. Sayuri is worried about both of her friends, but an attempt to surprise Mai on her birthday could end disastrously!

Still basking in the glow of their kiss, Yuichi and Ayu spend more and more time together. Everything appears to be going splendidly - until their burgeoning romance is derailed by a visit to Ayu’s school.