The Demon King of the Gremory

Naruto gets sent to Blood Prison all according to Tsunade's plan but she wasn't aware that the Naruto she knew was a clone of the Original who was sent there also to have a Jinchuuriki willing to figth. Now recombined the tarnished Naruto Uzumaki now named Naoto Uzumaki gets entangled in devils, Angels, and Boobs. Can survive? Will he resist the Harem Temptation? Read to find out!