Yoshino grew up the sheltered yakuza princess of the largest crime family in Osaka, the Somei. Due to her resting bitch face and dangerous family, no man has ever approached her. When her grandfather signs a truce with the Tokyo-based Miyama crime family, he offers her up as a truce bride to the Miyama leader's grandson! Kirishima Miyama is popular, charming, and seems totally normal.

But behind his smile is a violent sadomasochist who thirsts for her dominance even more when she impresses him with her moxie! Even though she knows how bad yakuza can be, she's stunned by Miyama's viciousness. She can't turn him down with the East-West peace treaty on the line...so instead she steels herself to play ball!
THE PAST OF A MAN WHO HIDES HIMSELF

After Yoshino's harrowing ordeal with the mysterious man with the octopus tattoo, it's Kirishima who now needs help. Wounded from his escape from Azami but otherwise in one piece, it's time that Kirishima share the truth of some of his shrouded past. From his troubled youth emerged a man who relied on no one, only to find his one true weakness in a girl. What happened to shape Kirishima into the man he is today...?