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!

In this critically acclaimed romantic crime drama, a yakuza granddaughter is sent from Osaka to marry the grandson of a rival family in Tokyo! Yoshino grew up as the yakuza princess of the Osaka Somei crime family. Everyone left her alone due to her sharp gaze and mobster ties. But when her grandfather signs a truce with the Tokyo-based Miyama crime family, she's offered for betrothal to the Miyama leader's grandson, Kirishima. At first, Kirishima seems amiable and polite--but when he shows his dark side, he proves to be more disturbing than any gangster Yoshino has ever met. This engagement is sure to be a wild ride for a tough yakuza princess and her twisted yakuza prince!

As Kirishima's birthday approaches he has a favor to ask from Yoshino: there's someone he'd like her to meet. They make a trip to Kirishima's childhood home, a visit with an old relative far overdue. Yoshino finally has an opportunity to learn more about her enigmatic fiance. Meanwhile, with the Kirigaya Clan deep in murky conspiracies, the mysterious Azami schemes. When the opportunity arises to get Yoshino on her own, Azami's trap is sprung. An ambush from the shadows has Yoshino--will Kirishima get to her before it's too late?

Yoshino's life with Kirishima grows increasingly heated after he meets her adopted brother Shouma. Kirishima doesn't recognize his own jealousy until Yoshino points it out to him...and soon, he's not the only one burning up. It seems Osaka's temperatures have followed Yoshino up north when she catches her traditional summer cold. As her fever flares out of control, it's not the first time Kirishima's obsession could have saved her life--and it probably won't be the last!

The problems have compounded between Yoshino and Kirishima as their underworld love begins to blossom. Kirishima is charming, handsome, and funny...but his hair trigger for violence and his twisted declarations of masochistic love put Yoshino off-balance. And now a local yakuza princess has disappeared, and Kirishima has to stick with her for her protection! Yoshino knows she's got to find that missing girl as soon as possible so that she can be alone again! But the only person she can ask for help is...Kirishima himself?

In this critically acclaimed romantic crime drama, a yakuza granddaughter is sent from Osaka to marry the grandson of a rival family in Tokyo! 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!