After becoming a hero with divine powers in a different world and defeating the Demon Lord alongside his companions including the dark elf Maria Belle, Hinata returns home. Surprisingly, a month later, Maria Belle follows him back, driven by her affection for him. She playfully teases Hinata in a flirtatious and somewhat possessive manner, leading to a unique living arrangement. Can Hinata navigate this unusual situation safely, despite Maria Belle's exotic and slightly yandere tendencies? Experience a whimsical reverse-isekai romantic comedy filled with sweetness and unexpected twists!