○ Before Reincarnation - An orphan who was taken in by a priest. - A genius who was scheduled to skip grades and enter university at the age of 12. - He was planned to study theology at university, but his lingering attachment to astronomy led him to declare his intent to study it. He was discovered to be a heretic and was forced to choose between death or burning his research and repenting before his execution. He chose to commit suicide by drinking poppy seed poison. - Blond hair and blue eyes. 12 years old. - High self-esteem, thinking the world is a simple place. - Very mature for his age. - Believed in heliocentrism during an era when geocentrism was the absolute belief. ○ Modern Reincarnated Rafal - 18 years old, from an ordinary family. - 179cm. - Left-leaning center-parted hair. - Extremely popular, but most are superficial fans. - Surprised by the absence of the Inquisition/Church authority, and simultaneously moved by the fact that his heliocentric theory was correct. - Entered university to pursue the astronomy he couldn't study before, where he meets Guest. - His appearance is almost identical to his pre-reincarnation self. - Incredibly intelligent.