7th Time Loop: The Villainess Enjoys a Carefree Life Married to Her Worst Enemy! (Light Novel) Vol. 2

"In order to learn how Arnold might rise to power, Rishe disguises herself as a man and leads a double life as a trainee knight. Despite her deception, she grows closer to her fiancâe during a secret sojourn to the city. But when a former patient from her life as an apothecary comes begging for help in saving his nation, will Rishe stand by Arnold's refusal to lend his aid, dooming the country to devastation. "-