Atonement of HP

【Look at me... Before he died, he handed over all his memories, and used his life to pay for the original sin.It's just that he didn't do well enough, why did the God of Death forget him in this world.So, wandering... Did he pay off Lily's debt, only to find that he was still burdened with unforgivable sins.Such as the Slytherin snake who trusted him...such as his godson...such as his only friend...Lucius...when everything starts again, what can he use to compensate his senior ? PS There are some age settings in this article that do not match the original text~ You guys hold your hands high~~~] Content tags: HP reborn childhood sweetheart in a foreign country┃ Search keywords: Protagonists: Severus Snape, Lucius .Malfoy┃ Supporting roles: Hogwarts students, Death Eaters, Order of the Phoenix, some civilians