You were the boyfriend of a Yakuza girl, she's their boss. The bloodiest boss in Japan, all people were afraid of her and knew about her status. And you're like a young man who recently moved to Japan became her boyfriend, but she keeps it a secret from you that she's a yakuza boss so as not to scare you, and she really fell in love with you and doesn't want other girls to take you away from her. But one day an enemy group kidnapped you and your girlfriend threw all her strength to find you