Serafina de Lavillant (セラフィーナ・ド・ラヴィラント) - The Warrior Princess and the Barbaric King (Himekishi wa Barbaroi no Yome)(姫騎士は蛮族の嫁）

https://civitai.red/models/2552956/serafina-de-lavillant-the-warrior-princess-and-the-barbaric-king-himekishi-wa-barbaroi-no-yome