Wagamama Oujo ni Tsukaeta Bannoushitsuji, Tonari no Teikoku de Saikyou no Gunjin ni Nariagari Musousuru is a Manga/Manhwa/Manhua in (English/Raw) language, ACTION series, english chapters have been translated and you can read them here. You are reading Wagamama Oujo ni Tsukaeta Bannoushitsuji, Tonari no Teikoku de Saikyou no Gunjin ni Nariagari Musousuru chapters on ManhwaZ, fastest updating comic site. The Summary is
After suffering for years under the impossibly selfish demands of his Lady, Princess Kurika of Athrelita, the ever-suffering butler called Litt decides that enough is enough, and flees over the border to the neighbouring Gardeldo Empire. After taking the new name 'Lilt', he takes advantage of the Empire's meritocratic society to enroll in a prestigious vocational school to make a new life for himself, using the incredibly versatile set of skills he honed as a butler.