Romeo to Juliet

For years, the two main families of Verona, the Montagues and the Capulets, have hated each other in a deep, visceral way... but during a masquerade ball organized by the Capulet family, Romeo Montague meets Juliet, the Capulets' heiress, and love arises between them, an impossible love that can only lead to the greatest of misfortunes.
(Source: Arechi Manga, translated)