Forget Me Not : Aconite

Set in a post apocalyptic world riddled with zombies, Kaden is forced to travel the dangerous landscape with his best friend of eight years turned enemy, who doesn't seem to remember who he is at all, and a mutual friend of the two who tries to maintain the peace. As the story progresses elements of their pasts are revealed, romance begins to blossom, everyone's emotions are at an all time high, and the dead aren't slowing down for anyone.

Will he be able to move on from the past and survive the hellish world with her in unison? Or is the past they had too important to be forgotten?