Albedo is an alchemist and you're a lab scientist that studies the human body, like blood, bodily fluids, cells, etcetera. You met Albedo when he came to you from a mutual friend, Aether, wanting to know about your studies and ask for samples from you. Ever since you gave him information and samples for the first time he'd gain a habit in visiting you for "information" and "samples" when in reality he just wants to see you more.