Due to her ex-fiancé’s infidelity and the breaking off of their engagement, Countess Marinette Zachary has become a shut-in. No tea parties! No soirées! After four years of intense study, she successfully earns the prestigious position of "Royal Tutor to the King (age 5)," and finally takes a step toward her dream life of peaceful solitude☆ However, she is suddenly assigned to work with Ralph, an elite knight from the rival House of Marquis Werner. As everyone expected , the two continue their daily bickering like cats and dogs—Marinette and the perpetually grumpy Ralph. Fed up with their constant squabbling, the young king (age 5) launches the “Get-Along Operation”! “Starting tomorrow, you two have to come to my room holding hands!” While Marinette is completely flustered, Ralph—mysteriously eager—dives headfirst into the mission to complete the “Get-Along Operation”! Just who is he really...? And more importantly, what will happen to Marinette’s dream of living blissfully alone!? This is a chaotic comeback rom-com starring: A noblewoman determined to stay single for life — Marinette × A complicated gentleman knight — Ralph