Long live Sex! Long live Isekai life! The brothel in the parallel universe only for me, has begun! The protagonist, Hasegawa Kaito lost his life in real world by overworking. The next moment, when he woke up, he found himself in a different game-like world. A world where both humans and demi-humans live together. While Kaito was confused by the sudden events, an angel with peerless beauty, appeared in front of him. "Hasegawa Kaito-san, let's give you the opportunity of redoing your life." Listening to the angel's explanation, Kaito realized that he died in the real world. When angel talks about fulfilling any kind of wish, he asks for a brothel where girls only serve him. Like this, Kaito plunges into his erotic new life.