A young man dies and is given the choice to reincarnate with whatever wishes he desires, he has 2 wishes He chose to go to the DxD world and chooses 2 OP sacred gears, chooses to reincarnate as Rias' twin older brother and gets a massive harem, afterall, this is an ecchi harem anime he's going to so why can't he have one or two or a few dozen right?