Another bodyguard enters the scene - as well as another assassin! With her life in constant danger, Mahiro and her protectors are always on the alert for assassins trying to take it... but they never expected someone to try to steal her heart, instead!...

Mahiro thought she was all alone in the world, until her long-lost brother and his best friend showed up and turned everything upside down! Competent and dangerous, the two men have vowed to protect the innocent girl from the ruthless queen who wants her dead. As Mahiro learns more about her forgotten past, she and her handsome bodyguards must face explosions, assassins, betrayal... and the budding romance!...