Harry's redo of his last year of school

hey~ In this fic many characters won't really act much like they do in the books or the movies . Harry will mostly just be weird random and kinda more like a typical Gen Z kid . Ron and hermione aren't good friends in this fic Harry's only friend at Hogwarts at the start of the fic is Luna 'cuz I adore her . His backstory is a changed a bit too . Before the last battle were he "killed " Voldy he became friends with him after Harry told him about his abusive family . Bellattix also adopted him after it . Sirius and Remus are alive there deads were fake at the start they distrusted Bellatrix and Voldy but after they saw they were like family to Harry the accepted them . Harry now has a happy slightly weird family. But he has to go to redo his last year of school . Since it wasn't really finished. How will Hogwarts react to the new and changed Harry , after the time with his family he really is changed . Will he find love in Hogwarts or will he just feed all of Hogwarts to his snakes ?