Sissy, a female captain who leads a regiment of the Alemania National Army, is admired and adored by many of her subordinates. However, she felt an unbridgeable gap only with her direct subordinate, Cecil. Excellent, exceptionally handsome, and from a good family, he is perfect as a subordinate. But, to Sissy alone, he is blunt and uncharming... Meanwhile, triggered by a certain mission, Cecil's attitude toward Sissy changes completely――!? Being aggressively pursued by a cool-beauty younger guy!? A doting love story between a younger Super Darling, who is clumsy only when it comes to romance, and his older female boss!