Gyaku Isekai Tensei shite Kimowota ni Natteshimatta Daimajutsushi Delrey Curtis no Fujouri na Nichijou

The manga centers on Delrey Curtis, a magician living in a fantasy world who, due to a certain incident, is ripped from his world and sent to ours, inhabiting the body of a Japanese high school student named Mikado Kuroikazuchi. Though he remembers his world, he is unable to use magic, and Mikado is hated by everyone around him due to his attitude and personality.

(Source: ANN)