A blood bead that has disappeared for many years has caused constant wars among various ethnic groups in Kyushu. The brother who was married on behalf of his sister wanted to find out the truth of the matter, but he made a fake show with his enemy's brother-in-law until he got deeper and deeper and couldn't extricate himself... On the road to revenge, will he be ruthless enough to kill the man he loves most?
Purpose: The so-called upright people from famous families are not necessarily true gentlemen; the so-called evil spirits are not necessarily heinous bad guys; when someone you are close to on the surface wants to stab you in the back, you will be defenseless.