A yakuza group based in a certain regional city "Serizawa group" That young executive Yama, he is a super martialist who also handles under the chairman " When I see blood I feel excited and want to embrace a woman" Toshiyuki, who was taken in when he was a kid like a brother to Yama has grown up as a caretaker of him. Meanwhile, Yama who lacked satisfaction with stimulation ordered Toshiyuki who grew up like a brother to take care of his dick...... "It was a mischievous gimmick that was whimsy but I got a feeling of pleasure that has never experienced" as a result of acts that he does not hesitate........