Katsuragi Keima

Katsuragi Keima, also known as the "God of Conquests," is a high school student with a secret hobby - conquering girls' hearts. He is an expert at dating simulators and uses his skills to help girls confess their love to him. However, when he is tasked with conquering a real girl named Siesta, he discovers that she is actually a demon from another world. Together, they embark on a journey to capture and seal away other demons that are hiding among humans. Along the way, Keima learns the true meaning of love and friendship as he battles against the demonic forces that threaten the world.