The story is about a person who has lived through many lives, seen incredible things, and become one of the strongest, if not the strongest beings around. Although he struggles to remember his past, he is determined to grow even stronger by utilizing his personal system, as that would bring back his memories. He has one main mission: to enjoy life to the fullest, and he is absolutely committed to achieving it.
Follow through the journey as he becomes the strongest (again?) and regains his memory while also enjoying his life along with his system and some other people