My Mansion of Gorgeous Maids in Another World

[You have become the master of the Warden Mansion.] [Your first quest is to refine mana from one of your maids by having intercourse with her.] When nineteen-year-old Jett Talon suddenly wakes on an emperor-sized bed, he finds himself lord of a mysterious mansion where countless gorgeous maids stand ready to serve. His first companion is Mia, a blonde elven maid who checks his every box. After making love to her, Jett gains mana, unlocks legendary powers, learns his duties as Master of the Warden Mansion, and uncovers its hidden secrets.