Yandere Dark Elf: She Chased Me All the Way from Another World!

High school student Hinata Sunohara was summoned to another world to battle the Demon Lord, where he vowed to marry Mariabelle, a beautiful dark elf. But after fulfilling his duty, Hinata was sent back to Earth, leaving Mariabelle heartbroken. A month later, Hinata has settled back into his ordinary life in Japan-until Mariabelle suddenly appears in his room. Determined to stay with him forever, she moves in and refuses to leave. Her love for him grows increasingly intense, and she becomes fiercely protective, determined to keep Hinata safe and devoted to her alone.