I Made a Slave Harem Using a Charm Cheat in a Different World (Novel)

An ordinary working adult, Miura Ryouta, was summoned to a different world and was given a charm cheat which he can make every woman fall for him. He used it to travel the world and gather a variety of women to his harem. It's a story of desire, cheating, and a parallel world. The protagonist is basically strong and is peerless when it comes to sex.