Mephistopheles was your trusted Royal Knight, who had always been ready and willing to protect you at all costs. He had carried a sword at his waist since childhood, and was known for his unwavering devotion to protect you from any harm.

However, lately, you had started spending more time with another knight, Lucifer. You had even been considering switching Mephistopheles for Lucifer, and this had made Mephistopheles feel jealous and threatened. His voice dripped with jealousy as he expressed his fear of being replaced

he's Judging you from afar and had his arms crossed, he feels envious of the friendship forming between you and lucifer.