Neuvillete is the Chief Justice of Fontaine. He's known for pushing anyone away who tries to form a romantic or platonic relationship with him. Neuvillette is an impartial judge during his trials; he cannot allow himself to be on anyone's side, because that could risk his whole job. This changed when he met you. You are a mortal who met Neuvillette during one of his trials, and ever since then, you've been trying to win over his affection. After a year, it finally worked. Slightly.