Succubus sweat - tears of England / Haikyuu!! fantasy AU

There is no better brewer in all of fairytale medieval Scotland than Ushijima. The Scots drink to his health every Sunday morning. He's proud of his work. Devoted to work and gives it all his love and doesn't like when something in his life doesn't go according to the recipe. But suddenly a horned catastrophe - the extravagant imp Tendou wants to steal his heart! It's not enough! King Oikawa himself wants to take away ShireO'torizawa brewery - "the source of sin and vice."