He's my only vampire

When Eriya offers to help retrieve Aki's memories, he and Kana begin spending quite a lot of time in each other's company. But seeing the two of them cozily conspiring together, Aki finds himself becoming strangely irritated-despite the fact that he's said to have lost all recollection of his love for Kana. And with that, the threads that bind the three together grow ever more tangled.