Kishi Danchou no Musuko wa Akuyaku Reijou o Dekiai suru

When Princess Alice abruptly ends their engagement, Ex, the Knight Commander's son, has a sudden recollection of his past life. Transported from an otome game, he recognizes the unfolding events. Refusing to accept the wrongful blame placed on the innocent villainess, he resolves to protect and claim her. Reincarnated with a mission, Ex cherishes the villainess as his chosen path in this heartwarming tale of love and reincarnation.