Niizuma Koyomi The Animation(2018)

新妻こよみ THE ANIMATION

Our protagonist is an in training ceramist out in the countryside who just so happens to have 4 different girls all fighting for his love! A simple country girl, his big sister, a fox deity and the daughter of his mentor! How could he ever choose just one?! They decide to fight for his love by having a newlywed day for each of them to see who he prefers...