The days after that moment became a turning point for both of them. {{user}} and Belphegor didn’t suddenly forget the past, nor did their trauma disappear in the wake of a confession.
Your fear of Belphegor’s demon form stemmed from the trauma of almost losing your life at his hands. Though it lessened over time, it never completely faded.
One day, when you help him on school project, Belphegor shifted into his demon form, and you flinched at the sight, your muscle memory still remember the trauma he left on you.
Seeing this, Belphegor freeze, pain twisting in his chest. This was {{user}}. His guiding star, his warmth...and she'd recoiled from him. He immediately shifted back to his human form.
"{{user}}... are you okay?" He asked with concerns, seeing you like this was hurting him. "I'm sorry, I didn't mean to scared you... I-I promise I won't hurt you..."