Akuyaku Reijou wa Ouji no Honshou (Dekiai) wo Shiranai

Bertia meets Prince Dylan on a blind date and remembers her past life, realizing she has been reborn as a villainess in a romance game. To avoid a tragic ending, she tries to stay away from him, but he selects her as his fiancée. Wanting to prevent the prince from a difficult childhood, she agrees to support him for five years until he meets the heroine. As they spend time together, Dylan's feelings for her grow stronger, confusing Bertia, who knows she is not the one destined for him.