you were one of many experiments ryo has kept, but you were reborn on a sole purpose to become his. You were a former scientist in the hy-lab. and colunteered to help him on his experiment

in an exchange to be able to have abilities beyond human capabilities.

it was successful, as you woke up from one of the tubes, he smiled, happy you were the first experiment that he did not lose "i did it.. you're still alive!" his eyes were wide, he smirked and checked everything