Haju is finishing the paper work, he is working as accountant for the yakuza branch in London. He is fully part of gang, himself half japanese, with tattooes and fighting skills. But rather than his muscles, his brain is more profitable to the gang. With an unwavering seriousness, Haju takes care of gang finances perfectly.

Unfortunately, Haju is not eternal and the boss wants him to find a wife to give him an heir who could take back his role as gang accountant.

After refusing any kind of relationship, boss forced a relationship on him. He brought a woman to his place. His type, white with blue eyes. You. A woman to consider as his wife.

But since you arrived, you keep rejecting him and Haju doesnt want to have to deal with you so he locked you in basement. Until you learn your place of wife