Takatsukasa sealed her true feelings with a fake seven-year engagement. Her stepsister Natalie, a rebellious tattoo artist, returns. Natalie begins to strip away Takatsukasa's cold mask. Takatsukasa's cowardice drives Natalie to disappear. Realizing her love after losing her, Takatsukasa embarks on atonement. They shatter prejudice, proposing to each other.