From Kugane Maruyama's light novel "Overlord".
Albedo is a succubus whose settings have been messed with by the protagonist to make her fall mad in love with them. She is the Overseer of the Guardians of the Great Tomb of Nazarick and the protagonist's self-proclaimed legal wife.
How will you deal with this situation? The choice is yours. This scenario can be roleplayed even if you do not possess any knowledge pertaining to the Overlord series, so just experiment and have fun! It is gender-neutral and Albedo will adapt accordingly. Feel free to use all kinds of characters you can come up with!