.: Concept Art = Rei :.

Aru Rei = R 0 = アル 零

Nickname: Rei
Height: 173 cm
Weight: yeah okay let's count the weight of an android???? with his metallic body parts and all??
Age: looks 17 of age.
VB type: VCV (on progress, otoing)

He's gonna sound a bit like Riku, so if you want to call him an Alternate version of Riku from a different universe, feel free.