Fran フラン
Age related
Spoiler　Age difference with Myne: +10 (summer) 　 Birth season: other than autumn 　 Winter age difference with Myne: +10 or +11 (depending on birth season)

He is a gray priest deeply loyal to the High Priest, capable of making accurate reports, and very patient. He’s built relatively solidly, and is about as tall as Myne's father. He has light purple hair and dark brown eyes.
SpoilerHe developed an extreme PTSD condition towards blue shrine maidens. He used to be sexually abused by Margaret who got pregnant with his child, having become unable to return to noble society she fell into despair and killed herself. He was said to have hated her orders and when she died he just looked on with an empty and blank stare. Arno also used to serve Margaret with him but was less favored so he developed feelings of hatred and jealousy towards Fran and wants Fran to suffer forever, this is subtly shown by how he influences the High Priest's decisions on Myne and Fran.