Ten Thousand Soul Banner: Deceased, do you have any unfulfilled wishes?

In an alternate world, a demon disrupts dynasties, harvests souls, and refines a banner of ten thousand souls. Under the heavenly tribulation, his body and soul are destroyed, but the Ten Thousand Souls Banner protects his undying spirit. Unable to possess a body, he's countered instead. A laid-back young man in society, wielding the Ten Thousand Souls Banner, roams the human world. With the Ten Thousand Souls Banner in hand, I refine a Golden Core with good deeds. A slice-of-life story with no ambition for conquest, helping the departed fulfill their wishes, gaining merit to repair the Ten Thousand Souls Banner, and enjoying a laid-back life.