"Lowering one's guard"

Days passed by, and following Zinnia's conversation with Prince Theo, life returned to its usual pace. With a watchful eye, Zinnia moved about, keenly observing her surroundings for any signs of suspicion. However, as time progressed, it seemed that nothing out of the ordinary occurred, causing her to gradually lower her guard.

However, she failed to remember a fundamental truth – that enemies strike when you least expect it. In the perceived safety of her office, where she immersed herself in her duties, unbeknownst to her, adversaries had been clandestinely observing her from a distance, patiently waiting for the opportune moment to make their move.

...

Engaged in her routine on a quiet afternoon, Zinnia immersed herself in the familiar tasks of reviewing papers, assessing expenses, and making decisive approvals.