Here, in a rebirth story, the male protagonist returns to his family's business as a son-in-law in order to find out the truth about his murder. Because of his status as a son-in-law, he is not favored by others. Later, he beats everyone in the face with his heartbeat. When he finally learns the truth, he is in a deadlock. No one is the absolute winner in this conspiracy? Don't rush and update every day.
