Intriguing characters.
He's an irresistible Adonis with occasional confidence issues.
She's serious, cold, dutiful, but also polite, caring, passionate and, surprisingly for me, not violent and apparently not secretly into MC and maybe even completely immune to his charm. Could she be faking obliviousness to boldly play with his heart, on the other hand?
I also like how expressive her gaze is, even when it's actually expressionless. Dignified indeed.