Call Me Devil King

Zhang Fan, an ordinary boy, lived an ordinary life, thinking that he would remain ordinary in the future. As a result, when he was eighteen years old, he received an inexplicable black book, and everything changed... He became the devil. "Lilith, where are my little brothers?" "Sealed." "Where's my superpower?" "Not activated yet." "Where are my weapons?" "It was robbed." "Oh, what can I do?" "Classes, training, lifting the seal, and..." "?" "Call me Lady Lilith!" "Ugh~~ Be gentle, I am the Demon King."