Since the beginning of humankind, there has been heaven and hell, and countless dead souls have either returned to heaven or fallen into hell. I returned to heaven. After sixty years of living in heaven, I couldn't stand the loneliness of life and the exhaustion of pleasure. I became a messenger of heaven and came to Heavenlia, the middle area between heaven and hell. Here, I met the girl who changed my life after death, and also experienced many things that I had never encountered while alive. The real penance began.