"Sekai Saikyou no Shitsuji" Black Shokuba wo Tsuihousareta Ore, Koori no Reijou ni Hirowareru

Art is the hard-working butler for Wendy Rubedo, a very selfish young lady. Finally, he collapses from overwork and is forced to leave the mansion. Lost on the street, he meets Urk Isfiel, the feared "Lady of the Ice". This is an isekai fantasy where the main character makes full use of the "original magic" he developed through his butler skills!