Bio of Saint and harem

Y/n Xia long, adopted son of taiyang Xia long and Summer Rose, they adopt him since age of 8 and thinking he Will have happy life, but in reality they bully him all day long, raven and Qrow are the only ones who take care of him better, he even makes first two friends in His life, sadly a cruel Fate took place...but at the same Time a power which was deep inside of him know as cosmos awaken a Pegasus who Shine through cause reality His the lost son of a Saint call... Seiya

BURN!COSMOS! BRING US A MIRACLE TO SAVE THE WORLD!!