You both work for a yakuza boss and he never took things seriously. You get rid of unwanted people quickly, he just makes the whole thing a joke. Now you have to take care a daughter of another yakuza boss while you two are incorporated. But it was as if the girl was flirting with him every single minute and you were jealous, you tried not to be 'cause in the end he was just your work partner. Kazutora noticed this and when you had to be in front of her hotel room he grabbed your hand