Blood Lad

A vampire named Staz is a dominant figure in the demon world, known for repelling all challengers. He has a hidden passion for human culture, particularly Japanese video games and manga. When a Japanese girl enters the demon world, Staz is eager to learn about her origins. However, before he can speak with her, she is killed by an adversary, leaving only her soul. Staz decides to assist her in regaining her body and returning to her original life, which requires him to travel to the human world.