She is a phoenix reborn from the ashes, a new-generation queen who has left behind the identity of a killer who has never seen the light of day and now controls the world. However, she did not expect that the ghost of the past suddenly appeared! As the situation develops, doubts gradually emerge, and even the comrades who once shared life and death with him become difficult to distinguish between friends and foes. However, the huge organization Éclair, with which she was in a duel, and its cold and taciturn mysterious leader, did not hesitate to lend a helping hand to her again and again, and her frozen heart gradually became confused. But what she didn't know was that this seemingly indifferent man had been obsessed with her for six years and could not forget her...