The World’s Strongest Butler is a Manga/Manhwa/Manhua in english language, Fantasy series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

Art served as the butler to the incredibly selfish Lady Wenty. After collapsing from overwork, he was cast out. Lost on the street, the infamous Ice Princess, Urk, appears before him. This is an isekai fantasy where the butler uses his original magic and butler skills!”