Kinkanjuu to Noroi no Kishi

Ladina, a young centaur who must one day become the head of her family, joins the Twilight Knights for training. However, the Twilight Knights are an order with only one leader, Alpharedo...? Ladina, who possesses the mysterious power of the "Annular Tree," and Alpharedo, the "Knight of the Curse," begin their mysterious adventure!