To Sir, Without Love: I'm Divorcing You II, Part 2 (light novel)

After being accused of spying and order to divorce her husband by the Imperial Army, Byletta’s business is suffering. But when she journeys northward in the hope of finding a new opportunity, she once again encounters Arnald, who is in the middle of a military operation! Byletta tries to keep her distance, unable to understand why Arnald never fought against the divorce—but she has no idea that he is still deeply in love with her and carrying out a secret mission of his own. How long will this couple continue to talk past each other?