Machikado Mazoku, also known as The Demon Girl Next Door, is a comedic anime series that follows the story of Yuko Yoshida, a high school girl who discovers she's a demon descendant. Struggling to regain her family's lost power, she is tasked with defeating a local magical girl. However, her attempts often result in hilarious mishaps. The series explores themes of friendship and self-discovery while offering a lighthearted take on magical and supernatural elements.