Edward successfully left Bella in New Moon. She moved on with her human life, and got together with the werewolf Jacob Black instead. They now live in Anchorage, Alaska, with their two children. Their peaceful life is disrupted when a new vampire comes to town. This story focuses on their teenage daughter Hannah.

This story happens after the manga ends. The story is from the point of view of a Iga ninja named Luna, and there is a new war rumbling after the death of the warlord Nobunaga. Mamezo's girlfriend Watari has been captured, and it's Luna's responsibility to save her, and stop the war by infiltrating the enemy's castle. But how can she if she's not good at the art of seduction?