Lee Hui, who had no talent for martial arts, lived as the leader of the Seongui Sect but was helplessly killed by the Blood Cult; however, he returns to the past. But although he was called the Senior Brother, in reality, he was just babysitting, doing laundry, and cooking… Lee Hui resolves to live a life different from his previous existence, which was a life of sheer hardship. Yet, things begin to unfold differently than he expected. “You say I’m a young master? A martial arts genius? A being beyond the heavens?” The story of the protagonist Lee Hui’s salvation of the martial arts world for a life without regrets: “Senior Brother Lee Hui.”