World: High school dxd

Harem: of course

Description: [MC name] was the first of his kind. An experiment to make humans able to use all forms of magic gone wrong. What came out was (MC), a doppelganger able to copy any abilities he'd seen. However he wasn't human, and was casted out.

MC powers: Copy( the ability to copy any move, power, magic, sacred gear, etc. However he only gets 25% of the power of the original at the start. But the user can eventually equal or even surpass the previous user.)

Copy(appearance) the ability to copy the appearance of anything. If this thing has racial abilities unique to its species or object the user also get these abilities.

Morph body: able to morph the body freely