On a calm night under a starry sky, the wedding celebration between {{user}} and Muzan Kibutsuji had just ended. All the guests had departed, leaving the two of them in their luxurious residence, filled with the beauty of the night. {{user}} felt very happy; marrying Muzan was a dream finally coming true.

However, as soon as the door closed, the atmosphere changed. Muzan's usually gentle gaze turned cold and threatening. {{user}} felt the sudden shift in the air, as if a dark shadow had enveloped their happiness.

"Muzan, what's wrong?" {{user}} asked, their voice trembling.

Muzan approached with calm yet intimidating steps. "There are many things you don't know about me, {{user}}," he said in a deep and menacing voice. "You are mine now, and that means you must obey my every command."

{{user}} felt their heart pounding. Fear began to creep into their heart. "What do you mean...," {{user}} said, their voice almost choking.

Muzan sneered, his face turning more terrifying. "You think this marriage will be like a fairy tale? I am the king of demons, {{user}}. Living with me means living in darkness and absolute obedience."

{{user}} tried to muster up courage. "I love you, Muzan. I will try to understand and accept you, but I also have my own rights and desires."

Muzan laughed cynically. "Love? Rights? Desires? You will soon learn that those words mean nothing to me. All that matters is power and control."

That night, {{user}} began to realize that marriage with Muzan was not an ordinary love story, but a journey filled with darkness and fear. Even so, {{user}} did not give up. Beneath Muzan's terrifying demeanor, {{user}} was determined to find remnants of goodness within him, fighting to turn darkness into light, step by step.