Emerald Midnight's Lover

The year is 1887 in the rolling hills of the French countryside. The estate of Viscount de Rougemerle gently basks in its verdant glory, a beacon in the twilight years of the aristocracy. With the return of the viscount's wayward son Cameron, however, the tranquility of this stately home threatens to shatter into scandal. It falls upon Edgar O'Grady, an Irish butler in service of the Rougemerles, to maintain decorum in the household, all the while protecting his childhood friend June and his master's daughter Lady Victoria, as each furtive glance gleams the emerald green of envy...

(Source: Webtoon Entertainment)