Arthur Leywin

Age: 16 (WB), 20 (NV), 38 (King Grey)
Gender: Male
Birthday: May 29
Birthplace: Etharia (Past Life), Ashber Town (Current Life)

Arthur Leywin is the main protagonist of The Beginning After The End. In his previous life, he was a king named Grey before he was reincarnated into a new world, on the continent of Dicathen.

(Source: The Beginning After The End Wiki, edited)