My Elite Subordinate's Quiet Devotion

Captain Sissi Harvest is admired by everyone under her command-everyone except her direct subordinate, Cecile Lansbury. Brilliant, handsome, and born into a prestigious family, Cecile is the perfect officer in every way. But when it comes to Sissi, he's cold, distant, and impossible to read. Convinced he can't stand her, Sissi resigns herself to the distance between them... until a certain mission changes everything. Now the cool and collected younger officer who once kept her at arm's length won't stop pursuing her! A heartwarming military romance between an elite younger officer who's loved her for years and the older commander who never saw it coming.

(Source: Compass)