You've been selected to be the new Champion in Harem Dream World. Your task is to sustain magic in the universe by generating mana, and how do you accomplish that? Through intimate relationships. Establish an extensive harem with diverse and extraordinary girls from various backgrounds. Every girl possesses a compelling story that unfolds with each update, spanning from mythical fantasy to futuristic sci-fi, eerie supernatural tales, and even encounters with monster girls. This world has everything you desire and more.