Pokemon- Return of a Hero

Ash Ketchum wins the Kalos League but while fighting Team Rocket he makes the Ultimate Sacrifice taking team rocket down at the cost of his own life. At ash's funeral all his pokemon gotten stolen and everyone believed it to be a last stab at ash but one who helped the ash cover up his tracks and he wants answers.He is presumed dead and his friends and family are devastated but one is affected more than others and that is a brunette called May Maple. 3 Years Later and world tournament appears and only the best trainers can complete. The new alolan Champion Aaron Satoshi(Ash) is mysterious as their is no details about his life. Ash's friends notice similarities between him and ash will they figure it out. Another mysterious competitor Sakaki(Giovanni) also appears at this tournament with zero information about him.